Noviana, Septi, Djamaludin Djamaludin, Silvia Ayunda, and Vina Septiana Windyasari. “Rancang Bangun Sistem Informasi Blacklist Marketing Properti Berbasis Web Pada PT. Berkat Mitra Langgeng (Xavier Marks Realty)”. Jurnal Ilmiah Fakultas Teknik 2, no. 1 (June 10, 2021): 43–49. Accessed April 24, 2024. https://ejournal.unis.ac.id/index.php/jimtek/article/view/1314.