M. I. Ravelino and S. Suhirman, “Pengembangan Sistem Manajemen Keanggotaan dan Pelatihan Gym Berbasis Web Menggunakan Metode Traditional Analysis dan Prototype: Development of a Web-Based Gym Membership and Training Management System Using the Traditional Analysis and Prototype Methods”, MALCOM, vol. 6, no. 1, pp. 126-137, Jan. 2026.