Sauki, A. ., P. N. F. . Megat Khamaruddin, S. . Irawan, I. . Kinif, and S. . Ridha. “Statistical Relationship of Drilled Solid Concentration on Drilling Mud Rheology”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, vol. 69, no. 1, Dec. 2020, pp. 122-36, https://www.akademiabaru.com/submit/index.php/arfmts/article/view/2896.