Tofik Hidayat, Zulfah and Dwi Nurhidayani (2022) “Analisis Gap Penerapan Sistem Manajemen Mutu 9001:2015 PT. Gaya Teknik Logam ”, Journal of Research and Technology, 8(1), pp. 109–120. doi: 10.55732/jrt.v8i1.642.