?oki?, Snježana, Aleksandar ?oki?, Sr?an Jovanovi?, and Davor Radivojevi ?. “Use of Gemification in Marketing”. British Journal of Marketing Studies 5, no. 5 (June 3, 2017): 1-5. Accessed April 28, 2025. https://bjmsjournal.org/index.php/bjms/article/view/187.