Rizqi, Hamdan Dwi, Adi Setyo Purnomo, Herdayanto Sulistyo Putro, Refdinal Nawfa, Hamzah Fansuri, dan Nurul Widiastuti. “elatihan SO 9001 ebagai paya eningkatan utu i D ambadiul lum, ebang utih, urabaya”. Sewagati 4, no. 2 (April 19, 2022): 121–126. iakses Desember 6, 2025. https://journal.its.ac.id/index.php/sewagati/article/view/353.