TY  - BOOK
AU  - Khanna, J.K.
AU  - Dass, B.
AU  - Khanna.R.K.
TI  - Chemistry guide
U1  - 540 
PY  - 1979///
CY  - Meerut
PB  - Jajhans Prakashan Mandiv
KW  - Chemistry - Study and teaching
ER  -