S. Laxmi Gayatri and Md. Ahmaruzzaman, “Development of Adsorbent from Solid Waste of Potato Peel for Decontamination of Wastewater Containing 4-Nitrophenol”, J. Int. Acad. Phys. Sci., vol. 16, no. 4, pp. 407–420, Dec. 2012.