Javed, T., F. A. Awan, M. Arshad, A. Mashiatullah, F. J. Iftikhar, and S. N. Khan. 2013. “REMOVAL OF CADMIUM, COPPER, LEAD AND ZINC FROM SIMULATED INDUSTRIAL EFFLUENTS USING SILICA POWDER”. The Nucleus 50 (2):135-40. https://doi.org/10.71330/thenucleus.2013.763.