Nailah, Ula Farhah, and Wiwik Handayani. “IMPROVEMENT OF EXPANDED POLYSTRENE BARCODE SYSTEM AT PT KEMASAN CIPTATAMA SEMPURNA”. International Journal of Economy, Education and Entrepreneurship (IJE3) 4, no. 2 (August 30, 2024): 345–352. Accessed November 13, 2025. http://ije3.esc-id.org/index.php/home/article/view/270.