TY  - BOOK
AU  - Aquino,Gaudencio V.
TI  - Principles and methods of effective teaching / 
SN  - 971-08-3188-7
AV  - LB1731 .A56 1998
PY  - 1988///
CY  - Metro Manila
PB  - National Book Store
KW  - Education
ER  -