VIRIYAPONG, Ratchada; 						NONGNAMTIP, Sirapong.
 Global Dynamics of Drug Use Model and Its Optimal Control Analysis.
<strong>Naresuan University Journal: Science and Technology (NUJST)</strong>, [S.l.], v. 31, n. 3, p. 48-66, aug. 2023.
ISSN 2539-553X.
Available at: &lt;<a href="https://www.journal.nu.ac.th/NUJST/article/view/Vol-31-No-3-2023-48-66" target="_new">https://www.journal.nu.ac.th/NUJST/article/view/Vol-31-No-3-2023-48-66</a>&gt;. Date accessed: 17 may 2024.
doi: <a href="https://doi.org/10.14456/nujst.2023.25">https://doi.org/10.14456/nujst.2023.25</a>.