logistics chain logistics, supply chain, wholesale trade, digital transformation, small and medium-sized enterprises, sustainable development, Greece loneliness long COVID period long term variation long-haul τουρισμός, Ηνωμένες Πολιτείες, ικανοποίηση, επαναληψιμότητα, βιώσιμη διαχείριση long-term care long-term rentals loose public space loss system lost sales love of reading love poetry low budget κινηματογραφικές παραγωγές, νέος ελληνικός κινηματογράφος, ιστορία του ελληνικού κινηματογράφου, «χειροποίητο σινεμά» low cost airlines low cost sensors low cost software for FM low politics low-cost records management system lower urinary track symptoms loyalty loyalty programs lubricant quality degradation ludification ludique ludology, naratology luminous and dark zones lung cancer luxury hotels luxury market lyceum education lyricism lyricist lysis, quality of life, patients, kidney failure l’enseignement des langues étrangères l’enseignement précoce l’oral/l’écrit l’âge préscolaire l’éveil aux langues m-payments mHealth mHealth, φροντιστές, οικογένεια, ασθενείς, άνοια mRNA mTourism (mobile Tourism) macabre tourism machine elements machine learning machine learning methodologies machine-learning machinery selection macroalgae macroeconomic macroeconomic determinants macroeconomic factors macroeconomic variables macrostructure magazine indexing magazines of various subjects, "new woman", 1920s, fashion, embellishment, leisure main insurance mainstream class mainstream education mainstream marketing strategy mainstream school maintenance maintenance sector maintenance strategies make-to-order make-to-stock makey makey male gaze male paradigm male perspective malignacies of the digestive system mall Medium Enterprises (SMEs) maltreatment mamas flavors mammography management management by objective management by objectives management challenge management decisions management disease management educational organization management of cultural units management of diversity management of ethnocultural student diversity, role of teacher, conditions for effective intercultural education, barriers to participation, intercultural readiness management of human resources management of lifelong learning structures management of overdue receivables management of solid and liquid wastes management of solid waste management practices management strategies management strategy management style management tactics management techniques management, conflict, intercultural background, multicultural background, training needs manager manager as a Coach manager's profile manager, administration, selecting school principals managerial coaching manager’s role managing managing behavioral problems managing techniques manganese dioxide manuel manuel scolaire manuel scolaire micro-intervalle manuels manuels de FLE manuels didactiques manufacturing manufacturing companies manure manure management manuscript map mapping mapping and assessment mapping of creative industries mapping projection marble quarries marinas marine marine animals marine ecosystem marine ecosystem protection marine ecosystems marine environment, marine organisms, marine litter, plastic pollution, microplastics, fisheries, fishing gears, questionnaire, impacts, proposals marine fuels marine pollution marine works maritime maritime transportation, shipping industry, freight visibility, supply chain visibility, information sharing, cargo tracking market market efficiency market research - έρευνα αγοράς market returns market risk market segmentation market share market structure market timing market value of the firm market-based marketing marketing , tourism marketing, tourist destination, brand, destination branding , Mykonos marketing communications marketing expenditures marketing mix marketing of IT industry, sales in IT industry, evaluation of marketing and sales performance, IT industry in Greece, economic crisis in Greece, commercial performance of IT industry. marketing of banking products marketing of cards marketing orientation marketing plan of tourism marketing strategies marketing strategy marketing tool marketing tourism marketing tourism destinations marketing, tourism, plan, destination, Municipality, Evia markets instability marriage marxism masculinities/femininities masculinity masonry building mass casualty incident management mass culture mass culture media mass culture texts mass culture texts, linguistic variation, gender identities, critical literacy, critical language awareness mass disasters mass media in Greece mass tourism massive wall master mastering matching matching algorithms material material design material recycle materials materials recovery materials' design maternal sensitivity maternity care maternity services math and science studies math software mathematical education mathematical patterns mathematical performance mathematical problem construction (MPC) mathematical problem solving (MPS) mathematical problems mathematical thinking mathematics mathematics education maths, anxiety, self-efficacy, performance, high school matière non-linguistique maturity matériel didactique matériel numérique meaning in life means of communication measure space measure-preserving transformation measured boot measurement measurement error measures measuring the impact of events meat meat products mecanum mechanical developments mechanism of comedy mechanisms mechanisms of support of economy mechatronic systems media media art media framing media representations media selection, media mix, marketers, decision-making, criteria mediated reality mediation medical medical ESP, attitudes, beliefs, workforce mobility in health professions medical brain drain medical cannabis medical decisions medical directors medical education medical error medical errors medical oxygen medical personnel medical records medical residents medical responsibility medical services medical staff medical staff conflict medical tourism medical waste medical waste legislation medical waste management medical waste treatment technologies medical wastes medical wastes impacts medical wastes management medication adherence medication adherence - Συμμόρφωση στη φαρμακευτική αγωγή medicinal medicines medieval Athens medieval settlements meditation mediterranean anemia mediterranean architecture mediterranean ecosystem mega event mega events mega events and festival melanoma members membrane bioreactor membrane bioreactor (MBR) membrane filtration membrane processes membrane system memes memorandum memorials memory memory archive memory places meningitis B menopause mental and physical health of teachers mental calculations mental calculations, multiplication, multiplication strategies, performance of mathematical teaching, memory mechanisms, impact of gender mental disorder mental disorders mental health mental health index mental health professionals mental health services mental models mental resilience mental well-being mentee menthol