TY  - BOOK
AU  - Muhammad Umair Qureshi, S. M. Aleem Hasan, Muhammad Ahsan Ali & Anam Aziz
TI  - GSM Gateway
U1  - 621.382072 MUIH 
PY  - 2007///
CY  - Karachi
PB  - UIT
KW  - Electronic Engineering
KW  - Bachelor of Engineering (BE)
ER  -