MATTAINI, M. A., & THYER, B. A. (1996). Finding solutions to social problems: Behavioral strategies for change. American Psi. Ass.
Lua i Stíl Chicago (17ú heag.)MATTAINI, Mark A., agus Bruce A. THYER. Finding Solutions to Social Problems: Behavioral Strategies for Change. Washington: American Psi. Ass, 1996.
Lua MLA (9ú heag.)MATTAINI, Mark A., agus Bruce A. THYER. Finding Solutions to Social Problems: Behavioral Strategies for Change. American Psi. Ass, 1996.
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