TY  - BOOK
AU  - Upadhyay,Ashok Kumar
AU  - Deepmala
TI  - Print and Electronic Sources & Literature in Natural Sciences
SN  - 9788196993184
U1  - 025.04 UPA 
PY  - 2023///
CY  - Agra
PB  - Saar Pub.
ER  -