Sihotang, H. T., and R. S. Simbolon. “A Fundamental Multilevel Optimization Decision Model for Complex Systems Based on an AI-Optimization Fusion Framework”. Jurnal Teknik Informatika C.I.T Medicom, vol. 17, no. 3, July 2025, pp. 136-47, doi:10.35335/cit.Vol17.2025.1388.pp136-147.