Ir. Omry Pangaribuan, MM. “PENERAPAN JUST IN TIME (JIT) PADA PROSES PRODUKSI NEWSLETTER DI SEVEN EAST ADVERTISING MEDAN”. Jurnal Sains dan Teknologi ISTP 15, no. 1 (September 3, 2021): 12–25. Accessed February 8, 2026. https://istp.ac.id.202-10-43-25.cpanel.site/index.php/jsti/article/view/60.