Heryansyah, G., and R. . Prakasa Hasibuan. “ANALISIS POSTUR KERJA DAN KELELAHAN OPERATOR STORE MATERIAL MIXING PT TRIPLUS HITECH BATAM”. Computer and Science Industrial Engineering (COMASIE), vol. 6, no. 3, Jan. 2022, pp. 60-68, https://forum.upbatam.ac.id/index.php/comasiejournal/article/view/5175.