Sari, D. P. . (2022) “Determination Of Workload And Number Of Optimal Workers For The Boiler Section Based On Pulse Rate And Working Sampling (Case Study : PT. Perkebunan Nusantara II PKS Pagar Merbau) ”, Journal Basic Science and Technology, 10(1), pp. 28-31. Available at: http://ejournal.iocscience.org/index.php/JBST/article/view/1743 (Accessed: 16August2026).