TY  - BOOK
AU  - Johan Arif, 
TI  - Alam sekeliling
T2  - Siri bacaan asas sains
SN  - 9789833974696
U1  - 507 23
PY  - 2011///
CY  - Petaling Jaya, Selangor : 
PB  - Penapro , 
KW  - Science - Study and teaching
ER  -