prastiya, andika.
" EFEKTIVITAS IMPLEMENTASI PROGRAM 5S (SEIRI, SEITON, SEISO, SEIKETSU, SHITSUKE) DI PT PJB UP GRESIK." <em>Jurnal Manajerial</em> [Online], 1.1 (2014): 72-79. Web. 22 Dec. 2024