TY  - BOOK
AU  - Tyagi, Deepak
AU  - Agarwal, Bhavna;
AU  - Tripathi, Ajay
TI  - Information technology 
SN  - 9788131308363
U1  - 372.3 
PY  - 2014///
CY  - New Delhi
PB  - APH
KW  - Education
KW  - IT
ER  -