Khusna AN. PENERAPAN CUSTOMER RELATIONSHIP MANAGEMENT (CRM) BERBASIS SMS GATEWAY PADA ONLINE SHOP TOKOFARAH. Telematika [Internet]. 2016 Jan. 3 [cited 2025 Dec. 5];13(1):40-5. Available from: https://jurnal.upnyk.ac.id/index.php/telematika/article/view/1719