Saifudin, T., C. Marthabakti, and E. E. Wieldyanisa. “Comparative Study of Conventional and Spatial Panel Models in Analyzing the Information and Communication Technology Development Index”. Statistics, Optimization & Information Computing, Vol. 15, no. 5, Jan. 2026, pp. 3539-54, doi:10.19139/soic-2310-5070-3159.