TY  - BOOK
AU  - Das, B.C.
AU  - Mukherjee, B.N.
TI  - Differential calculus
SN  -  
U1  - 517.2 
PY  - 1968///
CY  - Calcutta
PB  - U.n.dhur and sons
KW  - Education
KW  - Differential calculus
KW  - শিক্ষাবিজ্ঞান
ER  -