R. Rahmansyah, M. Mujahid, A. S. . Arief, and S. . Riyadi, “The Effect of Drug Availability And Patient Satisfaction on User Loyalty of Pharmacy Services at Rsd Dr. H. Soemarno Sosroadmodjo Tanjung Selor”, JDM, vol. 4, no. 1, pp. 170–194, Jul. 2026.