“…Education Department, Cooperative Union…”

“…Department of Education, University College…”

“…U.S. Department of Health, Education and Welfare, Office of Education…”

“…Department of Adult Education, University of Nottingham…”

“…U. S. Department of Health, Education, and Welfare…”

“…Department of Mathematics Education, Universitas Malikussaleh…”

“…University of Jember, Department of Geography Education…”

“…Institute of Business Management, Department of Education…”

“…Univesitas Majalengka, Department of Physical Education…”

“…Department of Special Education, Faculty of Education, State University of Malang…”

“…United States Catholic Conference, Department of Education…”

“…Maryland, U.S.Department of health, education and welfare…”

“…Accounting Education Department of Universitas Muhammadiyah Surakarta…”

“…Department of Mathematics Education, Universitas Pelita Harapan…”

“…Department of Mathematics Education, University of Muhammadiyah Malang…”

“…Christian University Dimitrie Cantemir, Department of Education…”

“…Education Sciences Department Babes-Bolyai University…”

“…Department of Education Studies "Giovanni Maria Bertin"…”

“…Education Sciences Department Babes-Bolyai University…”

“…Department of History Education, FKIP, University of Jember…”