TY  - BOOK
AU  - Sharma, Sunita 
TI  - Vishwa ke mahan avishkar
SN  - 9788188383603
U1  - 600 23rd ed.
PY  - 2019///
CY  - New Delhi 
PB  - Adhunik Prakashan 
KW  - TECHNOLOGY; TECHNOLOGY CREATION
ER  -