TY  - BOOK
AU  - Block,James H.
TI  - Mastery Learnings in Classroom Instructions
SN  - 23110007
U1  - 371.02 B62m 
PY  - 1975///
CY  - New York
PB  - Macmillan Publishing Co, Inc, 
KW  - Miscellany
KW  - Teaching
N1  - Index
ER  -