Hidayatullah, S., Supriyadi, A.A., Purwanto, I.E.D., Aritonang, S. and Saleh, B.R. 2025. Strategic Leadership Model in Regional Cooperation to Improve the Effectiveness of Resolving Drug Delivery Routes in Indonesia. Ilomata International Journal of Social Science. 6, 3 (Jun. 2025), 923-944. DOI:https://doi.org/10.61194/ijss.v6i3.1728.