TY  - BOOK
AU  - 
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 11672942
PY  - 1998///46
CY  - Manila
PB  - Science and Technology Information Institute
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Periodicals
KW  - Technology
KW  - Philippines
N1  - Local publication; 5
ER  -