W. Farhana Mohamad, Faiz Ahmad and Sami Ullah
Asian Journal of Scientific Research 6 ( 2 ): 263 - 271 , 2013
Sami Ullah, Faiz Ahmad, P. S.M. Megat-Yusoff and Nurul Hazwani binti Azmi
Journal of Applied Sciences 11 ( 9 ): 1630 - 1635 , 2011
Sami Ullah, Faiz Ahmad and P. S. M. Megat-Yusoff
Journal of Applied Sciences 11 ( 21 ): 3645 - 3649 , 2011
Faiz Ahmad, Sami Ullah and Muhammad Syahmi Hamizol
Journal of Applied Sciences 12 ( 24 ): 2631 - 2635 , 2012
Ghulam Murshid, Azmi Mohd Shariff, Muhammad Azmi Bustam and Sami Ullah
Journal of Applied Sciences 14 ( 23 ): 3228 - 3234 , 2014
Sami Ullah and Zilakat Khan Malik
Pakistan Journal of Social Sciences 18 ( 1 ): 1 - 13 , 2021
Irshad Ghafoor, Munir Khan, Sami Ullah and Abdullah
Pakistan Journal of Social Sciences 18 ( 3 ): 47 - 52 , 2021
Izharul Hassan, Khalid Mughal and Sami Ullah
Pakistan Journal of Social Sciences 18 ( 3 ): 53 - 60 , 2021