TY  - BOOK
AU  - Kameenui, Edward J.,
AU  - Simmons, Deborah C.
TI  - Designing instructional strategies: The prevention of academic learning problems 
SN  - 0675210049
AV  - LB10 K35
PY  - 1990///
CY  - Columbus, ohio
PB  - Merrill
KW  - Sistemas para la enseñanza
KW  - Diseño
ER  -