KOESWARA, Sonny; ARDIANTO, Harits Rofi. IMPLEMENTASI SIX SIGMA UNTUK PENINGKATAN KUALITAS SANDAL DI CV. SANCU CREATIVE INDONESIA. SINERGI, Jakarta, Indonesia, v. 17, n. 3, p. 274–280, 2013. Disponível em: https://publikasi.mercubuana.ac.id/index.php/sinergi/article/view/781. Acesso em: 29 jun. 2026.