TY  - BOOK
AU  - Dass,H.K.
AU  - Verma,Rama
AU  - Verma,Rajnish
TI  - Introduction to Engineering Mathematics Vol-IV
SN  - 9789352837465
U1  - 510 DAS 
PY  - 2019///
CY  - New Delhi
PB  - S.Chand and Company Limited
ER  -