Prasteyo, M. ., D. H. . Purnama Binaefsa, and Purwanto. “DESIGN AND DEVELOPMENT OF A SALES MANAGEMENT INFORMATION SYSTEM FOR MUHAMART AT SMK MUHAMMADIYAH 04 WEST JAKARTA USING THE RAPID APPLICATION DEVELOPMENT (RAD) METHOD”. IONTech Journal, vol. 7, no. 1, Feb. 2026, pp. 63-71, doi:10.62702/ion.v7i1.151.