TY  - BOOK
AU  - Gabriel, Presentacion B.
TI  - Trigonometry
SN  - 9715220266
U1  - 516.24 G11t 1992 
PY  - 1992///
CY  - Makati City
PB  - Salesiana Publishers Inc.
KW  - Trigonometry
UR  - https://sic-library.pilc.org.ph/cgi-bin/koha/opac-retrieve-file.pl?id=440aaca03556cf02de7853e27d10da29
ER  -