Apriyanto H. RANCANG BANGUN APLIKASI CHAT BOX UNTUK MENDUKUNG CUSTOMER RELATIONSHIP MANAGEMENT (CRM) DI PT. JNE. pro [Internet]. 2023 Jul. 15 [cited 2025 May 19];3:192-6. Available from: https://ojs-teknik.usni.ac.id/index.php/pros/article/view/358