PENGONTROLAN KEAMANAN GEDUNG MENGGUNAKAN SINYAL ULTRASONIK YANG DIINTERFACEKAN KE KOMPUTER. SAINTEKBU, [S. l.], v. 2, n. 1, 2016. DOI: 10.32764/saintekbu.v2i1.36. Disponível em: https://ejournal.unwaha.ac.id/saintek/article/view/36. Acesso em: 9 jun. 2026.