TY  - BOOK
AU  - PURKAYASTHA , B.D .
AU  - PURKAYASTHA , B.D .,
TI  - COLLEGE CHEMISTRY 
U1  - 540 PUR 
KW  - Chemistry & allied sciences
N1  - Donated Book by Prof. Marjiana Begum, Chemistry Deptt. The Sibsagar Girls` College
ER  -