Mukhtar, M. Nushron Ali, and Am. Mufarich. “PRODUCTIVITY ANALYSIS OF ERGONOMIC CHAIR FOR OPERATOR POND MACHINE”. Tibuana 3, no. 01 (January 31, 2020): 67–74. Accessed February 16, 2025. https://jurnal.unipasby.ac.id/index.php/tibuana/article/view/2204.