Zulkarnaen, Diny. “Comparative Study of Parameter Estimation Methods in Pharmacokinetic Model With Oral Administration: Simulations of Theophylline Drug Concentration”. KUBIK: Jurnal Publikasi Ilmiah Matematika, vol. 9, no. 1, May 2024, pp. 1-9, doi:10.15575/kubik.v9i1.31233.