Methodology and research technology 20 Pedagogy 20 School education 14 Education 10 Health and medicine and law 6 Higher Education 6 Inclusive Education / Inclusion 6 Behaviorism 5 Business Economy / Management 5 Educational Psychology 5 Socio-Economic Research 5 teacher 4 Environmental Geography 3 Foreign languages learning 3 ICT Information and Communications Technologies 3 Marketing / Advertising 3 Preschool education 3 communication 3 education 3 empirical research 3 Accounting - Business Administration 2 Applied Geography 2 Comparative Linguistics 2 Cultural history 2 Distance learning / e-learning 2 Economic policy 2 Human Resources in Economy 2 Language acquisition 2 Organizational Psychology 2 Phonetics / Phonology 2