TY  - BOOK
AU  - Singh, Lakhmir
AU  - Kaur, Manjit
TI  - Science Workbook for ninth class part 1 Chemistry
U1  - 540.076 
PY  - 1981///
CY  - New Delhi
PB  - S.Chand &  Company
KW  - Chandrens'  Literature
KW  - Chemistry
ER  -