JALEEL, MUHAMMAD ASIF, ROZINA NOREEN, and ABDUL BASEER. 2001. “CONCENTRATION OF HEAVY METALS IN DRINKING WATER OF DIFFERENT LOCALITIES IN DISTRICT EAST KARACHI”. Journal of Ayub Medical College Abbottabad 13 (4):12-15. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/4884.