Kurniaty, S. “The Ergonomic Analysis and Work Efficiency of Mixue Operators Using Work Factor and REBA Methods”. JIeTri : Journal of Industrial Engineering Tridinanti, vol. 2, no. 01, June 2024, pp. 31-37, https://ejournal.univ-tridinanti.ac.id/index.php/Jietri/article/view/650.