Nurhaeni, Tuti, Kawl W Karts, and Marviola Hardini. “Viewboard Effectiveness on Raharja Internet Cafe Website As Sales Information Submission Media”. Aptisi Transactions on Technopreneurship (ATT) 1, no. 1 (November 12, 2019): 20–26. Accessed November 3, 2025. https://att.aptisi.or.id/index.php/att/article/view/6.