Hari Ram1 , Mir Ghulam Ali Talpur2 , Naveed Ali Qadri3 , Sadia Abdul Qayyum4 , Salman Ahmad Farsi Qazi5 , Mansoor Ali6. “ PAKISTAN: A RETROSPECTIVE SURVEY”. Journal of Peoples University of Medical &Amp; Health Sciences Nawabshah. (JPUMHS), vol. 10, no. 4, Dec. 2020, pp. 100-5, http://121.52.155.46/index.php/ojs/article/view/96.