Manurung, Yohana Katharina, Fera Tri Wulandari, and Wisnu Sanjaya. “Perancangan Aplikasi Penjualan Menggunakan Metode Customer Relationship Managemen (CRM) Berbasis Web Pada ‘CV Yosua Mandiri Grup’ Di Boyolali”. JITU : Journal Informatic Technology And Communication 7, no. 1 (May 31, 2023): 34–42. Accessed June 30, 2026. https://ejournal.uby.ac.id/index.php/jitu/article/view/704.