Trisna Mulyati, Prima Denny Sentia, Anis Maulana, and Friesca Erwan. “FATIGUE ANALYSIS OF HIGH DUMP TRUCK OPERATORS IN INDONESIA’S COAL MINING INDUSTRY: A CASE STUDY”. Malaysian Journal of Public Health Medicine 20, no. Special1 (August 1, 2020): 38-44. Accessed October 3, 2022. http://mjphm.org/index.php/mjphm/article/view/666.