UTOMO, Eko Prasetyo.
 PENGEMBANGAN KOMIK DIGITAL BERBASIS PROBLEM BASED INSTRUCTION PADA MATERI KELANGKAAN DAN KEBUTUHAN MANUSIA.
<strong>Soedirman Economics Education Journal</strong>, [S.l.], v. 3, n. 1, p. 53-65, apr. 2021.
ISSN 2686-6277.
Available at: &lt;<a href="https://jos.unsoed.ac.id/index.php/seej/article/view/4064" target="_new">https://jos.unsoed.ac.id/index.php/seej/article/view/4064</a>&gt;. Date accessed: 02 apr. 2025.
doi: <a href="https://doi.org/10.32424/seej.v3i1.4064">https://doi.org/10.32424/seej.v3i1.4064</a>.