Manik, A.T.A., Aryanto, D. and Hendri 2026. UI/UX Design and Prototype of the IKJ Advertising Mobile App using the User-Centered Design Method. Journal of Artificial Intelligence and Engineering Applications (JAIEA). 5, 3 (Jun. 2026), 4515–4521. DOI:https://doi.org/10.59934/jaiea.v5i3.2442.