TY  - BOOK
AU  - Litong,Domingo J.
TI  - Contemporary math high school: : First year / 
SN  - 9715225152
U1  - 510 revised edition. 
PY  - 2001///
CY  - Makati City: 
PB  - Salesiana Publishers, Inc., 
KW  - Mathematics.
KW  - contemporary  math for secondary schools.
N1  - includes glossary.
ER  -