1. Improving the social status of mainstreamed retarded children;Ballard;Journal of Educational Psychology,1977
2. Effects of cooperative, competitive, and individualistic experiences on interpersonal attraction among heterogeneous peers;Cooper;Journal of Social Psychology,1980
3. Cooperation and trust: Some theoretical notes;Deutsch,1962
4. Social acceptability of retarded children in nongraded schools differing in architecture;Gottlieb;American Journal of Mental Deficiency,1973