TY  - BOOK
AU  - Bhattacharjee, Ankita
TI  - How to combat the attack by COVID-19 and how to market "ventilator" in business market
U1  - 2019-21 
PY  - 2021///
CY  - Kolkata
PB  - BIMS
KW  - Marketing
N1  - Guide: Prof. A. K. DasBiswas
ER  -