TY  - BOOK
AU  - Hecht, Miriam
TI  - Modumath: arithmetic
U1  - 511 H37m 1978 
PY  - 1978///
CY  - Boston
PB  - Houghton Mifflin Company
KW  - Mathematics
UR  - https://sic-library.pilc.org.ph/cgi-bin/koha/opac-retrieve-file.pl?id=146a8ac394e2ea25bc8340258c8b6e8f
ER  -