TY  - BOOK
AU  - Wang, Margaret.C
AU  - Wang, Margaret.C
AU  - Walberg, Herbert .J (Ed)
TI  - Low incidence conditions: Hand book of special education (research and practice) Volume -3
SN  - 0-08-033385-2 # 0-08-033384-2
U1  - 371.9 
PY  - 1989/// # 1988
CY  - Oxford
PB  - Pergamon Press
ER  -