TY  - BOOK
AU  - Bautista, Marlon Regua
TI  - Strategic intervention materials (SIMs) in mathematics 9 / 
U1  - TH 510 B32s 2016 
PY  - 2016///
CY  - Balaoan, La Union
PB  - Osias Educational Foundation, 
KW  - Mathematics
N1  - Bibliography: pages 151-154
ER  -