A Study on Medication Return by Patients as an Estimation of Medication Wastage in Bintulu Hospital. Sarawak Journal of Pharmacy, [S. l.], v. 5, n. 2, p. 32–45, 2019. Disponível em: https://sjpharm.org/ojs/index.php/sjp/article/view/83. Acesso em: 3 jun. 2026.