Formulation Design and Optimization of Theophylline Microspheres Containing Akidi Beans (Vigna Unguiculate) Starch as Polymer Using Central Composite Design. The East and Central African Journal of Pharmaceutical Sciences, [S. l.], v. 23, n. 1, p. 16–27, 2020. Disponível em: http://jsep.uonbi.ac.ke/ojs/index.php/ecajps/article/view/339. Acesso em: 14 jun. 2026.