Autor
Alcohol and Drug Problems Association of North America. Education Section
1
American Alcohol and Drug Information Foundation
1
Association of Youth Ministry Educators
1
Centro Internacional de Educación y Desarrollo Humano
1
Gordon College (Wenham, Mass.)
1
International Consortium on School Disaffection
1
National Clearinghouse for Youth Studies (Australia)
1
National Dropout Prevention Center
1
North American Association of Alcoholism Programs
1
Nyack College
1
Universidad de Manizales
1