Συγγραφέας
American Historical Association
2
Hunt, Erling M. 1901-1978
2
National Council for the Social Studies
2
Association for Business Simulation and Experiential Learning
1
Indiana Council for the Social Studies
1
International Simulation and Gaming Association
1
National Council for the Social Studies. College and University Faculty Assembly
1
North American Simulation and Gaming Association
1
University of Alberta. Faculty of Education
1