WARTA, J.; HANTORO, K.; MAHBUB, A. R. SISTEM PENGHITUNG JUMLAH PESERTA SEMINAR BERBASIS IOT. JSI (Jurnal sistem Informasi) Universitas Suryadarma, [S. l.], v. 8, n. 2, p. 181–190, 2021. DOI: 10.35968/jsi.v8i2.733. Disponível em: https://journal.universitassuryadarma.ac.id/index.php/jsi/article/view/733. Acesso em: 11 sep. 2025.