Nasreen, Shagufta, Abdul Ghani, and Sohail Noor. “Evaluation and Activation of Cambalpur Bentonite for Industrial Utilization: Activation of Cambalpur Bentonite”. Biological Sciences - PJSIR 53, no. 3 (June 28, 2010): 123–126. Accessed June 8, 2025. http://www.biostaging.pjsir.org/index.php/biological-sciences/article/view/438.