Javied, S., M. M. Chaudhary, N. Irfan, M. Tufail, N. Siddique, and S. Waheed. 2020. “ARSENIC POLLUTION FROM PHOSPHOGYPSUM PRODUCED AT MULTAN, PAKISTAN”. The Nucleus 46 (3):219-24. http://202.83.167.189/index.php/Nucleus/article/view/949.