Sari, Dewi Paramita. “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, no. 1 (February 7, 2022): 28-31. Accessed June 28, 2026. https://www.iocscience.org/ejournal/index.php/JBST/article/view/1743.