| 1 |
Strategies for teaching students with mild tosevere mental retardation / edited by Robert A. Gable and Steven F. Warren
London : Jessica Kingsley Pub. , c1993
|
| 2 |
Advances in mental retardation and developmental disabilities : a research annual /edited by Stephen E. Breuning, Johnny L. Matson, Rowland P. Barrett
v. 1 : 1983 - v. 5 : 1993. - Greenwich, Conn. : JAI Press , 1983-
|
| 3 |
Strategies for teaching students with mild to severe mental retardation / editors, Robert A. Gable, Steven F. Warren
London : J. Kingsley Pub., 1993
|
