Khalid Saifullah: saifullah@qau.edu.pk
Department of Mathematics
Quaid-i-Azam University, Islamabad
Telephone: +92-51-9064 2223
Muhammad Jamil Aslam: muhammadjamil.aslam@gmail.com
Department of Physics
Quaid-i-Azam University, Islamabad
Telephone: +92-51-9064 2092
Cell Phone: +92-300-5246899
Jamil Ahmed
Cell Phone: +92-336-5571763