Hidayatullah S, Supriyadi AA, Purwanto IED, Aritonang S, Saleh BR. Strategic Leadership Model in Regional Cooperation to Improve the Effectiveness of Resolving Drug Delivery Routes in Indonesia. ijss [Internet]. 2025 Jun. 26 [cited 2026 Mar. 7];6(3):923-44. Available from: https://ilomata.org/index.php/ijss/article/view/1728