TY  - BOOK
AU  - Voight,Ralph Claude
TI  - Invitation to learning: the learning center handbook 
SN  - 0874913187
AV  - LB 1027 .V64 1974
U1  - 371.3/078 
PY  - 1974///
CY  - Washington
PB  - Acropolis Books
KW  - Teaching
KW  - Aids and devices
KW  - Classroom learning centers
ER  -