Tirkaamiasa T, Sofianti E. Development of the Secretariat Information System and Membership of the Tapak Suci Putera Muhammadiyah Using E-R Diagrams. FJCIS [Internet]. 2024 Aug. 31 [cited 2025 May 15];3(2):91-112. Available from: https://journal.formosapublisher.org/index.php/fjcis/article/view/11060