SARI, D. P. . 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, [S. l.], v. 10, n. 1, p. 28-31, 2022. Disponível em: http://ejournal.iocscience.org/index.php/JBST/article/view/1743. Acesso em: 15 aug. 2026.