“Pelatihan Audit Internal Dalam Mendukung Penerapan Iso 9001 : 2015 Pada Universal Trading - Surabaya”. COMVICE: Journal Of Community Service 5, no. 1 (April 22, 2021): 27–34. Accessed October 29, 2026. https://ejournal.stiedewantara.ac.id/COMVICE/article/view/770.