TY  - BOOK
AU  - Lubrica, Elsa L. 
TI  - Digitized quality- assured learning material on grade 8 physics
U1  - TH 371.33 L96d 2022 
PY  - 2022///
CY  - Saint Louis College, City of San Fernando, La Union : 
PB  - [s.n.], 
KW  - Teaching
KW  - Aids and devices.
N1  - References: pages 150-159
ER  -