SARI, R. P. .; FATUDIN, A. .; SAPUTRO, R. E. .; ARIFUDIN, D. . Optimizing the Blood Donation App with Gamification Using User-Centered Design. Sinkron : jurnal dan penelitian teknik informatika, [S. l.], v. 8, n. 1, p. 83-95, 2024. DOI: 10.33395/sinkron.v9i1.12988. Disponível em: https://www.jurnal.polgan.ac.id/index.php/sinkron/article/view/12988. Acesso em: 14 jun. 2026.