Sadi, Agus Ristono and Hidayat Saputra (2020) “Readiness Analysis of the ISO 9001:2015 Certification in The Magister Program of Industrial Engineering UPN ‘Veteran’ Yogyakarta Using Gap Analysis”, Technium Social Sciences Journal. Constanta, Romania, 12(1), pp. 22–40. Available at: https://www.techniumscience.com/index.php/socialsciences/article/view/1658 (Accessed: 3 May 2024).