Pengarang: Lauri Heikonen

Elina Fonsén, Ph D, is Associate Professor at the University of Jyväskylä, Finland.Raisa Ahtiainen, Ph D, is University Lecturer at the University of Helsinki, Finland, and Visiting Researcher at the Tallinn University, Estonia Kirsi-Marja Heikkinen, M.A., is Ph D-researcher at the University of Helsinki, Finland.Lauri Heikonen, Ph D, is a Postdoctoral Researcher at the University of Helsinki, Finland.Prof. Dr. Petra Strehmel, is professor at the Hamburg University of Applied Sciences, Germany.Emanuel Tamir, Ph D, is a senior lecturer in educational administration and leadership program, campus of education, Tel-Hai College, Israel.