TY  - BOOK
AU  - Mariano, Ailen O.
TI  - Strategic intervention materials in mathematics 4 / 
U1  - TH 510 M33s 2016 
PY  - 2016///
CY  - Balaoan, La Union
PB  - [s.n.]
KW  - Mathematics
KW  - Teaching
KW  - Aids and devices
N1  - Bibliography: pages 151-153
ER  -