TY  - BOOK
AU  - De Leon, Cynthia R. Guerrero
TI  - Business mathematics: methods and applications
U1  - 513 D37b 1979 
PY  - 1979///
CY  - Manila
PB  - Sinag- tala
UR  - https://sic-library.pilc.org.ph/cgi-bin/koha/opac-retrieve-file.pl?id=f6a708b38db5b50e6212be14d38f82cc
ER  -