Apriyanto, Hartono. “RANCANG BANGUN APLIKASI CHAT BOX UNTUK MENDUKUNG CUSTOMER RELATIONSHIP MANAGEMENT (CRM) DI PT. JNE”. PROSIDING 3 (July 15, 2023): 192–196. Accessed May 20, 2025. https://ojs-teknik.usni.ac.id/index.php/pros/article/view/358.