AshtonP.WebbR. (1986). Making a difference: Teachers' sense of efficacy and student achievement. New York: Longman.
2.
BanduraA. (1977). Self-Efficacy: Toward a unifying theory of behavioral change. Psychological Review, 84, 191–215.
3.
DelineJ. (1991). Why can't they get along?Journal of Physical Education, Recreation and Dance, 1, 21–26.
4.
DeutschM. (1949). An experimental study of the effects of cooperation and competition upon group processes. Human Relations, 2, 199–232.
5.
GibsonS.DemboM. (1984). Teacher efficacy: A construct validation. Journal of Educational Psychology, 76, 569–582.
6.
GlakasBarbara A. (1991). Teaching cooperative skills through games. Journal of Physical Education, Recreation & Dance, 62, 28–30.
7.
JohnsonDavid W.JohnsonRoger T. (1989). Cooperation and competition: Theory and research. Edina, MN: Interaction Book.
8.
KamiiC.DeVriesR. (1980). Group games in early education: Implications of Piaget's theory. Washington, D.C.: National Association for the Education of Young Children.
9.
KohnAlfie, (1992). No contest: The case against competition. New York: Houghton Mifflin Company.
10.
OrlickT. D. (1978). Winning through cooperation. Washington D.C.: Acropolis Books.
11.
OrlickT. D. (1983). Enhancing love and life mostly through play and games. Journal of Humanistic Education and Development, 21(4), 153–164.