Nasreen, S., Ghani, A., & Noor, S. (2010). Evaluation and Activation of Cambalpur Bentonite for Industrial Utilization: Activation of Cambalpur Bentonite. Biological Sciences - PJSIR, 53(3), 123–126. Retrieved from https://v2.pjsir.org/index.php/biological-sciences/article/view/438