TY  - BOOK
AU  - Petrequin,Gaynor
TI  - Individualizing learning through modular-flexible programming
AV  - LB1031 .P4 1968
U1  - 373.1394 
PY  - 1968///
CY  - New York
PB  - McGraw-Hill
KW  - Individualized instruction
KW  - Local
ER  -