TY  - BOOK
AU  - Ocampo,Nenita C.
AU  - Cruz,Flora G.
TI  - Mathematics 4: an integrated approach 
SN  - 9711163772
U1  - Fil. 513 O121 1990 
PY  - 1990///
CY  - Quezon City
PB  - Abiva Publishing House
KW  - Arithmetic
ER  -