TY  - BOOK
AU  - Aquino, Gaudencio V.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 2
PY  - 1974///];copyright 1974.46
CY  - Manila
PB  - National Bookstore
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Teaching
N1  - Bibliography : p. 319-320; 5
ER  -