TY  - BOOK
AU  - Esperanza, Mary Jane C. 
TI  - Functionality of the strategies in enhancing the problem solving competence of grade 4 learners
U1  - TH 510.76 Es6f 2020 
PY  - 2020///
CY  - Polytechnic College of La Union
PB  - [s.n.]
KW  - Problem solving
N1  - Bibliography: pages 93-96
ER  -