TY - BOOK AU - M Shahzad Khan ED - Supervisor Dr. SHOAB AHMED KHAN TI - TH-SOF-1208-ENGG-DUAL NETWORK E PAYMENT PROTOCOL MODEL WITH TWO STEP AUTHENTICATION AND ESCROW SYSTEMS U1 - 200 THE PY - 2015/// CY - Islamabad PB - NUST College of EME KW - MS-CSE-11 ER -