Budiman, J. M., & Wibowo, T. (2023). Qualitative Analysis Study Of User Perception On E-Marketplace Gamification Effectiveness Among Indonesian: Case Study Of Batam City. JUPITER: Jurnal Penelitian Ilmu Dan Teknologi Komputer, 15(1d), 638–647. https://doi.org/10.5281./6310/15.jupiter.2023.04