KARWUR, Satoro Disney; KOLIBU, Hesky S.; SUOTH, Verna A. OBJECT DETECTOR PROTOTYPE USING ULTRASONIC SENSOR FOR INDOOR SECURITY MONITORING SYSTEM. Jurnal Ilmiah Sains, [S. l.], v. 14, n. 2, p. 100–105, 2014. DOI: 10.35799/jis.14.2.2014.6064. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/JIS/article/view/6064. Acesso em: 17 jan. 2026.