THE EFFECTS OF MONETARY REINFORCEMENT ON PIANO PRACTICE IN THE HOME

Autor:	Jordan, Diane, McLaughlin, T.F., Hunsaker, Don
Zdroj:	Education and Treatment of Children, 1980 Apr 01. 3(2), 161-163.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/42898548 Zobrazit plný text záznamu