Hariguna, Taqwa, Muhamad Yusup, and Agung Priyadi. 2019. “The Transaction Optimization Of Color Print Sales Through E-Commerce Website Based On Yii Framework On Higher Education”. Aptisi Transactions on Technopreneurship (ATT) 1 (1):1-10. https://doi.org/10.34306/att.v1i1.18.