Faizi, Isnaini, Ika Riswi Aprilia, and Rahma Wati. “Objective Matrix Analysis to Measure the Productivity of Lunch Box Maker Machines in Height Copy Digital Printing”. Tech : Journal of Engineering Science 1, no. 2 (September 3, 2025): 111–127. Accessed October 2, 2025. https://jurnal.sinesia.id/index.php/tech/article/view/478.