Hariguna, Taqwa, Muhamad Yusup, and Agung Priyadi. “The Transaction Optimization Of Color Print Sales Through E-Commerce Website Based On Yii Framework On Higher Education”. Aptisi Transactions on Technopreneurship (ATT) 1, no. 1 (March 28, 2019): 1–10. Accessed October 26, 2025. https://att.aptisi.or.id/index.php/att/article/view/18.