TY  - BOOK
AU  - "Alam, Zaheer (project editor)"
TI  - Pure chemistry past papers O'level 2006-2018
SN  - 9789696230090
U1  - TR 540 
PY  - 2019///
CY  - Lahore
PB  - Redspot publishing
KW  - Chemistry-Pastpapers
ER  -