TY  - BOOK
AU  - Gregorio,Herman C.
TI  - Principles and methods of teaching
SN  - 971-871108-2
U1  - 371.3 
PY  - 1976///]
CY  - Q.C.
PB  - R.P.Garcia
KW  - Teaching
N1  - Appendix: pages554-572
ER  -