Khizar Hussain Shah, Muhammad Fahad, Zahid Ali Ghazi, Sajjad Ali, Asim Shahzad, and Salah Ud Din. “Optimization, Characterization and Adsorption Properties of Natural Calcite for Toxic As(III) Removal from Aqueous Solutions”. Water SA 48, no. 3 July (July 27, 2022). Accessed August 9, 2022. https://watersa.net/article/view/14444.