Sri Rezeki P, Samsudin. Perancangan Sistem Informasi Buku Tamu Berbasis Mobile Di Telkom Akses Medan. J. Komput. Teknol. Inf. Sist. Komput. [Internet]. 2023 Jun. 20 [cited 2026 Aug. 21];2(1):267-76. Available from: https://ejurnal.lkpkaryaprima.id/index.php/juktisi/article/view/61