OPTIMALISASI SISTEM KOMUNIKASI DARURAT MELALUI BEL NIRKABEL PADA BLOK HUNIAN LANSIA LAPAS KELAS IIA PANCUR BATU. Kohesi [Internet]. 2026 Oct. 24 [cited 2026 Oct. 24];11(5). Available from: https://journal.cib.institute/index.php/kohesi/article/view/5674