Alfiniyah, C., Windarto, N. A. Permatasari, M. Farman, N. Millah, and Ahmadin. “Optimal Control Analysis of a Tuberculosis Model With Drug-Resistant Population”. Statistics, Optimization & Information Computing, Vol. 13, no. 3, Jan. 2025, pp. 948-60, doi:10.19139/soic-2310-5070-2292.