Sondang S. Implementation of object oriented technology concept and rapid application development method in designing church service information system HKBP Perumnas Simalingkar . Mandiri [Internet]. 2024 Jan. 30 [cited 2026 Apr. 17];12(3):183-91. Available from: https://ejournal.isha.or.id/index.php/Mandiri/article/view/257