Awdur
Bureau of Educational and Psychological Research (Calcutta, India)
2
David Hare Training College (Calcutta, India)
2
APSDEP Documentation and Information Centre
1
Asian and Pacific Skill Development Programme
1
Michigan State College. College of Education
1
Michigan State College. Dept. of Education
1
Michigan State College. Division of Education
1
Michigan State University. Agricultural Education Program
1
National Occupational Conference (U.S.)
1
National Vocational Guidance Association
1
Norway. Statistisk sentralbyrå
1
Pusat Statistik Pendidikan (Indonesia)
1
Singapore. National Productivity Board
1