Rafif Muhammad Irdian, Rafi Fredy Septianto and Aksen Winarto (2022) “APPLICATION OF INTERNET OF THINGS BASED ROOM SECURITY SYSTEM USING ANDROID APPLICATION”, Jurnal Cakrawala Ilmiah, 1(4), pp. 841–846. doi: 10.53625/jcijurnalcakrawalaindonesia.v1i4.1026.