ABDULLAHI, T. ., N. . AMINU, and H. . ABUBAKAR. “APPRAISAL OF MALAYSIAN AND NIGERIAN CRUDE KAOLIN RESOURCES FOR HEAT RESISTANCE APPLICATIONS”. BIMA JOURNAL OF SCIENCE AND TECHNOLOGY (2536-6041), vol. 4, no. 01, July 2020, pp. 334-9, https://journals.gjbeacademia.com/index.php/bimajst/article/view/190.