kaswadi, amir, et al. “Effect of Different Types of Carrier and Stripping Agent in Liquid Membrane Formulation for Silver Extraction by Using Kerosene and Corn Oil”. Multidisciplinary Applied Research and Innovation, vol. 3, no. 1, Feb. 2022, pp. 7-14, https://publisher.uthm.edu.my/periodicals/index.php/mari/article/view/3622.