COLEMAN, J. S.
(1959) "Academic achievement and the structure of competition."Harvard Educ. Rev.29: 330-351.
2.
DEUTSCH, M.
(1949a) "An experimental study of the effects of cooperation and competition upon group process."Human Relations2: 199-232.
3.
DEUTSCH, M.
(1949b) "A theory of cooperation and competition."Human Relations2: 129-151.
4.
THE DICTIONARY GAME (1971) The Weston Group.
5.
FARRAN, D. C.
(1968) "Competition and learning for under achievers," in Boocock and Schild (eds.) Simulation Games in Learning. Beverly Hills: Sage.
6.
GORDON, A. K.
(1970) Games for Growth. Palo Alto: Science Research Associates.
7.
JULIAN, J. W.
and F. A. PERRY (1967) "Cooperation contrasted with intragroup and intergroup competition."Sociometry30: 79-90.
8.
McKENNEY, J. L.
and W. R. DILL (1968) "The effects of team assignment and faculty boards on student attitudes and learning," in Boocock and Schild (eds.) Simulation Games in Learning. Beverly Hills: Sage.
9.
TANSEY, P. J.
and D. UNWIN (1969) Simulation and Gaming in Education. London: Metheun.