Sari, R., Paramanandana, A., Wulandari, L. A., Setyawan, D., & Pratiwi, A. (2026). Physicochemical Characterization and Drug Release Behavior of Theophylline with Chitosan–Alginate Polyelectrolyte Complexes Microparticle. Iranian Journal of Pharmaceutical Sciences, 22(1), 309–316. https://doi.org/10.22037/ijps.v22i1.51511