Susanti, Dewi, and Nofriani Fajrah. “PENGUKURAN TINGKAT KUALITAS PRODUKSI D21N INNER LENS”. Computer and Science Industrial Engineering (COMASIE) 4, no. 1 (January 21, 2021): 1–8. Accessed November 28, 2024. https://ejournal.upbatam.ac.id/index.php/comasiejournal/article/view/2630.