SpringerOpen
Sage
University of Ljubljana Press (Založba Univerze v Ljubljani)
COMPRESS.dsl
Wiley
Ivan Ziaziun Institute of Pedagogical Education and Adult Education of the NAES of Ukraine
Linköping University Electronic Press
Extension Education Society
University of KwaZulu-natal
Łukasiewicz Research Network – The Institute for Sustainable Technologies
Minda Masagi Press
Osman Titrek
wbv Publikation
Taylor & Francis Group
The South African Democratic Teachers’ Union
West University of Timisoara
Taylor & Francis
Bundesministerium für Bildung, Wissenschaft und Forschung