Maregedze, L., K. Chiteka, R. Masike, and T. Kanyowa. “Ball Mill Energy Efficiency Optimization: A Lifter Face Angle Optimization Approach”. Journal of Applied Research and Technology, vol. 22, no. 6, Dec. 2024, pp. 798-05, doi:10.22201/icat.24486736e.2024.22.6.2624.