TY  - BOOK
AU  - N.C.E.R.T
AU  - S.C.E.R.T.
TI  - Chemistry model question  and answer
U1  - 540 
PY  - 2006///
CY  - Kolkata
PB  - B.M.Publication
KW  - Career Guidence
KW  - সাধারণ জ্ঞান
ER  -