NAUFAL, Mochamad Rizki; ERIK , Asep. Implementasi 5s (Seiri, Seiton, Seiso, Seiketsu Dan Shitsuke) di PT Riken Engineering Perkasa. Jurnal Pendidikan dan Konseling (JPDK), [S. l.], v. 4, n. 5, p. 6732–6748, 2022. DOI: 10.31004/jpdk.v4i5.7788. Disponível em: https://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/7788. Acesso em: 15 dec. 2025.