Marine insurance Marine macroalgae Marine pollution MarineTraffic Maritime Maritime Heritage Maritime Equipment Technology Maritime Logistics Maritime Piracy Maritime Professional Lyceum Maritime Sector Maritime Spatial Planning Maritime Tourism Maritime heritage Maritime resilience, risk assessment, vulnerabilities, maritime disruptions, defining resilience, supply chain, risk mitigation strategies, technology, blockchain, transparency, visibility, infrastructure, port resilience, bullwhip effect Maritime tourism Market Market Analysis Market Basket Analysis (MBA) Market Coupling Market Efficiency Market Efficiency Case Market Integration Market Orientation, Agricultural Cooperatives, Structural Equation Modeling (SEM), Thessaly Market Power Market Research Market Risk Market Segmentation Market Simulation Market Strategies Analysis Market analysis & Ανάλυση Αγοράς Market based measures Market basket analysis Market research Market risk Market segmentation Market simulation Marketing Marketing Campaign Marketing Communication Plan Marketing Communications Marketing Management, Advertising Strategies, Budget Allocation, Consumer Behavior, Media Advertising Marketing Mix Marketing Mix (4Ps) Marketing Plan Marketing Research Marketing Strategic Plan Marketing Strategies Marketing Strategies, Automotive Industry, Electromobility, Environment, Customer, Greece Marketing Strategy Marketing Tactics Marketing Techniques Marketing Tools Marketing and advertising Marketing channels Marketing communication policy Marketing in tourism during recession Marketing mix Marketing mix (7Ps) Marketing of tourist destination Marketing plan Marketing strategies, Στρατηγικές μάρκετινγκ Marketing strategy Marketing Κοινωνικών Επιχειρήσεων Marketing αγορά τέχνης Marketing και διαφήμιση Marketing, tourist platforms, tourist behavior, on line reviews, (electronic world of mouth) E- WOM Marko Polo Markov Markov Continuous Chains (CTMC) Markov Models Markov Process Markov Switching model Markov bound Markov chain Markov chains Markowitz Markowitz και Markowitz Marmari Marpissa Martingales in discrete and continuous time Martingales σε διακριτό και συνεχή χρόνο Marxist Literary Criticism Marxist historiography Mary Anning Maschine Learning Applications Mashlach Burnout Inventory Maslach Maslach Burnout Inventory Maslach Burnout Inventory (MBI) Maslach Burnout Inventory questionnaire και Maslach Burnout Inventory questionnaire Maslach scale Maslow hierarchy Masonry building Masonry infills Mass Culture Mass Culture Discourse.   Mass Culture Texts Mass Media Mass Tourism Mass culture texts Mass spectrometry Massive Online Analysis (MOA) Massive Open Online Courses Massive Open Online Courses (MOOC) Massive Open Online Courses (MOOCs) Massive open online courses, motivation to participate, monitoring factors, abandonment factors, Mathesis platform Masstige brands and masstige products, gamification, food packaging, consumer engagement, consumer involvement, consumer happiness, intention to buy using mobile points of sales Masstige marketing Mastic Cultivation Matching algorithms Material Deprivation Material Evidence Material quantities Materials Materials Development Materials of writing Maternal employment Math anxiety Math anxiety expressions Mathematica Mathematica. Mathematical Analysis Mathematical Education Mathematical Modeling Mathematical Problem Solving Mathematical Teaching Mathematical activities Mathematical anxiety Mathematical background knowledge Mathematical creativity Mathematical modeling Mathematical software Mathematicians’ views Mathematics Mathematics (learning – teaching – understanding) Mathematics Teacher Mathematics and interculturalism Mathesis platform Maths Phobia Matlab Matrix Matrix organizational structures Matter, IoT, Internet of Things, CSA, Connectivity Standards Alliance, IoT Integration Matthew Lipman Maturity Matériel complémentaire Maximum Acceleration Maxwell-Boltzmann Maxwell-Lorentz equations Maxwell’s equations Mayflower, cultural activity, financial forms, funding, bilateral cultural exchange, boost of the local communities Mazur -Orlicz Maḥmūd Darwīsh,Μαχμούντ Νταρουίς McKendrick McKinsey Model Mcode Me Too Mean Variance Portfolio Optimization Mean of the collection route Meaning reconstruction Meaningful gamification Measurement Measurement Indicators Measurement Standard Measurement System Measurement Techniques Measurement result Measurement, Costing, Spreadsheets, Measurement sheets, Construction costs, Public works, Unit price, Units of measurement, Auction invoices, Auction budget, Materials, Works, Descriptive invoices, Price analysis, Contractor, Supervision, Project owner Measurements & Project Management Measures Measures to address Environmental Impacts Measuring Risk Measuring instruments Measuring stations of gaseous pollutants Meat industry, traditional Greek food, precooked gyros, innovation, business analysis, investment analysis Meat process Mechanical Properties of Materials Mechanical Sorting Mechanical properties Mechanical, Electrical and Plumbing (MEP) Mechanics Mechanism of multiple sclerosis MedDiet MedIllustrator-AI Media Media / Media Media Literacy - Μιντιακός Εγγραματισμός Media Player Media and Tools for the Promotion and Promotion of Alternative Forms of Tourism Media art Media discourse Media façade, πολυμεσικές όψεις, αρχιτεκτονικός σχεδιασμός Media literacy Media literacy, critical thinking, EFL, project-based learning, digital storytelling, materials development. Media literacy, Διαμεσικός Γραμματισμός Mediated communication Mediation Mediation, Medical Medical Adherence Medical Coding Medical Conferences Medical Confidentiality Medical Decision Support Systems (MDSS) Medical Devices Medical Gases Medical IT Medical Industry Technologies Medical Laboratory Technologists Medical Museum University of Copenhagen Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36) Medical Outcomes Study Health Survey (SF12) Medical Personnel Medical Services Medical Staff Medical Technology industry Medical Tourism Medical Tourism, Healthcare Tourism, , Medical Travel, Healthcare Travel, Healthcare Services Medical Waste Medical Waste Management & Treatment Medical Waste Management & Διαχείριση Ιατρικών Αποβλήτων Medical Waste Sterilizer Medical diagnostic market, Criteria for choosing diagnostic tests, Diagnostic value, Requisition sheet of diagnostic tests Medical education Medical hazardous waste Medical products Medical tourism Medical waste Medical waste disposal Medical wastes Medical-paramedic staff, Medically Assisted Reproduction Medication Intake Reminder Systems (MIRS) Medicinal Medicines Medicines promotion Medien Medien - πολυμέσα Meditation Mediterranean Mediterranean Diet Mediterranean countries Mediterranean diet Mediterranean diet, Mediterranean sea, macroalgae, background levels, trace metals, bioaccumulation, coastal areas Medium Term Fiscal Strategy Medium Voltage Projects Mega Mega 2560 Mega Channel Mega Events Mega Sport Events Mega events Megalopolis Lignite Center Mehrsprachigkeit Mehrsprachigkeit, Interkulturelle Bildung Meitner Mel cepstral coefficients Mel-Frequency Cepstral Coefficient (MFCC) Melamoma, anxiety, quality of life, skin cancer, chronic disease, health phsychology Melampodas Melanoma Meloidogyne javanica, Meloidogyne incognita, κομβονηματώδεις, φυσικές ουσίες, νηματωδοκτόνα δράση Melpo Axioti Meltdown Membership Function Membrane Bioreactors (MBR) Membrane based separation Membrane fouling Membrane και Μεμβράνες Memorability Memorandum Memorandum Period Memorandum, revenue, tax, natural persons, value added tax, legal persons. Memory Memory - Trauma - Experience Memory Tourism Memory of water Memory Μνήμη Memrise Mendeleyev Menopause Mental Calculation Mental Disorders Mental Health Mental Health Education Mental Health, Well-being, Psychosocial Dimensions, Mental Health Conditions, Mental Health Interventions. Mental Illness Mental Resilience Mental disorder Mental disorders, teachers, special schools, management, treatment Mental health Mental health of nurses Mental health professionals Mental resilience Mental well-being Mentee Mentor Mentor, mentoring, professional development, Principal, school culture, obstacles.