Kesy Apriansyah, D. K. Hakim, Feri Wibowo, and Supriyono, “Optimization of Gamification Type Selection in Pop-Up Campaigns to Enhance Customer Engagement on E-Commerce Platform XYZ Using the Analytical Hierarchy Process Method”, E-Komtek, vol. 9, no. 1, pp. 1-15, Jun. 2025.