Zulkarnaen, D. 2024. Comparative Study of Parameter Estimation Methods in Pharmacokinetic Model with Oral Administration: Simulations of Theophylline Drug Concentration. KUBIK: Jurnal Publikasi Ilmiah Matematika. 9, 1 (May 2024), 1–9. DOI:https://doi.org/10.15575/kubik.v9i1.31233.