The Withholding and the Withdrawing of Rewards as Related to Level of Aspiration

Autor:	Ward, William D.
Zdroj:	Child Development, 1969 Jun 01. 40(2), 591-597.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/1127426 Zobrazit plný text záznamu