PRASTIYA, Andika. EFEKTIVITAS IMPLEMENTASI PROGRAM 5S (SEIRI, SEITON, SEISO, SEIKETSU, SHITSUKE) DI PT PJB UP GRESIK. Jurnal Manajerial, [S. l.], v. 1, n. 1, p. 72–79, 2018. DOI: 10.30587/jurnalmanajerial.v1i1.421. Disponível em: https://journal.umg.ac.id/index.php/manajerial/article/view/421. Acesso em: 6 jun. 2025.