Autor:	FILIATREAU, ANN, SEYMOUR, BRUCE, GORIN, SUSAN PHILLIPS, BARTON, BILL, SILBER, SARAH L., LUSCOMB, RICHARD L.
Zdroj:	Education and Training of the Mentally Retarded, 1980 Feb 01. 15(1), 80-84.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/23889359 Zobrazit plný text záznamu