Purwanti, B.S Rahayu, Tri Setia Ningsih, Safira Putri Wibowo, Edho Dwi Tirwanda, and Muhammad Fadli. “BIntegrasi Sensor Ultrasonik Dan Bluetooth Pada Sistem Buka-Tutup Palang Busway”. ReTII (March 12, 2018). Accessed November 23, 2024. //journal.itny.ac.id/index.php/ReTII/article/view/611.