TY  - BOOK
AU  - Carrera, Cayetano V., Jr.
TI  - Enhancing the problem solving skills of senior high students thru the use of modules and the keller plan approach /   
U1  - TH 371.8 C23e 2017 
PY  - 2017///.
CY  - Pangasinan
PB  - [s.n.]
KW  - Students.
N1  - Bibliography: pages 58-69
ER  -