HIMAWANTO, W.; SANJAYA, A. .; WIJANARKO, B. . Design and build a timekeeping device on RFID-based fast roller skating sports. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, [S. l.], v. 8, n. 3, p. 186–206, 2023. DOI: 10.29407/js_unpgri.v8i3.20061. Disponível em: https://ojs.unpkediri.ac.id/index.php/pjk/article/view/20061. Acesso em: 23 dec. 2024.