Telecommunications Reza, Yousaf creator Islamabad Pakistan telecommunication authiorty 1999 746. p; Telecommunication Past and Present (Page-13), Indian Telegraph Department (Page-89), Acknowledgment (Page-89), Pakistan Post and Telegraphs Department (Page-131), Pakistan Post and Telegraphs Department (Page-243), Restructuring of Telecommunication (Page-561), 50 Years of Pakistan Telecommunications (Page-717). Yusuf Reza 384.95491,REZ 20230118121757.0