INAYAH, Zufra; CAHYONO, Yoyon Hariadi; BUDIONO, Nugrahadi Dwi Pasca. Work Shift System And Heavy Equipment Operator Fatigue in Mine. Kontribusia : Research Dissemination for Community Development, [S.l.], v. 6, n. 2, p. 223-229, aug. 2023. ISSN 2614-1590. Available at: <https://journal.umg.ac.id/index.php/kontribusia/article/view/6153>. Date accessed: 23 nov. 2024. doi: http://dx.doi.org/10.30587/kontribusia.v6i2.6153.