Vijay K. Garg, . (2003). Principles & Appplications Of Gsm. Usa: Pearson Educational.
Vijay K. Garg, . 2003. Principles & Appplications Of Gsm. Usa: Pearson Educational.
Vijay K. Garg, . Principles & Appplications Of Gsm. Usa: Pearson Educational. 2003.