ONLINE LEARNING SYSTEMS GAMIFICATION: ANALYSIS OF THE EFFECTIVENESS OF A COIN-BASED MOTIVATION MODEL. INTERNATIONAL JOURNAL OF SCIENCE AND TECHNOLOGY, [S. l.], v. 3, n. 05, p. 34–37, 2026. DOI: 10.70728/tech.v3.i05.008. Disponível em: https://science-technology.uz/index.php/journal/article/view/772. Acesso em: 7 jul. 2026.