TY  - BOOK
AU  - Singh, Lakhmir.
AU  - Kaur, Manjit.
TI  - Science for Ninth Class Chemistry / 
U1  - 540 
PY  - 1991///
CY  - .- New Delhi
PB  - : S. Chand
KW  - Pure sciences
KW  - Chemistry and Allied Sciences
KW  - Chemistry
ER  -