TY  - BOOK
AU  - Bilbao, Purita P.
TI  - Teaching science in the elementary grades : volume 2 : physics, earth and space 
SN  - 9786214510467
U1  - 507.1 B595 2024 
PY  - 2024///
CY  - Quezon City
PB  - Lorimar Publishing, Inc.
KW  - Science
KW  - Study and teaching (Elementary)
ER  -