Saira Bano, Muhammad Hanif, Dr. Muhammad Shakil Pitafi. ???? ??? ?? ???? ? ????? ??? ??? ??? ? ?? ???????? ????? ????? ?? ????????? ???????? ?????? ??????. IJISC [Internet]. 2024Apr.24 [cited 2024Dec.22];4(2):87-117. Available from: http://ijisc.com.pk/index.php/IJISC/article/view/691