TY  - BOOK
AU  - Bilbao,Purita P.
AU  - Jusayan,Shirley R.
AU  - Morano,Lourdes N.
AU  - Tingson,Lea C.
TI  - Teaching science in the elementary grades: volume 1: chemistry and biology 
SN  - 978-621-8035-64-5
PY  - 2019///
CY  - Quezon City, Philippines
PB  - Lorimar Publishing
KW  - Biology
KW  - Study and teaching (Elementary)
KW  - sears
KW  - Chemistry
KW  - Science
N1  - Includes bibliographical references
ER  -