Venesya , Yolanda, Firman Edigan, Yeyen Gumayesty, and Yuyun Priwahyuni. “FACTORS OF WORK FATIGUE IN DRILLING RIG OPERATOR SERVICE AT PT. ARTHINDO UTAMA MINAS PEKANBARU”. Journal of Hospital Administration and Management 6, no. 1 (June 7, 2025): 74–82. Accessed September 14, 2025. https://journal.univawalbros.ac.id/index.php/jham/article/view/622.