Dr. Hafeez Ullah Janjua
http://www.iub.edu.pk
Assistant Professor,Department of Physics, The Islamia University of Bahawalpur,
Bahawalpur, Pakistan.E-mail ID:hafeezullah[AT]iub[DOT]edu[DOT]pk
Dr. Hafeez Ullah Janjua
http://www.iub.edu.pk
Assistant Professor,Department of Physics, The Islamia University of Bahawalpur,
Bahawalpur, Pakistan.E-mail ID:hafeezullah[AT]iub[DOT]edu[DOT]pk