Siregar UK, Ikhwan A. Aplikasi User Interface Berbasis Android pada Perpustakaan Lafran Pane Tapanuli Selatan Menggunakan Customer Relationship Management. JTSIA [Internet]. 2024 Jan. 30 [cited 2024 Oct. 6];7(1):235-44. Available from: https://openjournal.unpam.ac.id/index.php/JTSI/article/view/37966