TY  - BOOK
AU  - Gregorio,Herman C.
TI  - Principles and methods of teaching
SN  - 9711024179
U1  - 371.332 
PY  - 1948///
CY  - Quezon City
PB  - Garotech Publishing
KW  - locsh
KW  - Teaching
N1  - Includes index
ER  -