UTOMO, Eko Prasetyo.
 DEVELOPMENT OF PICTURE STORY BOOKS BASED ON DISCOVERY LEARNING ON ECONOMIC ACTIVITIES.
<strong>Soedirman Economics Education Journal</strong>, [S.l.], v. 4, n. 2, p. 40-48, oct. 2022.
ISSN 2686-6277.
Available at: &lt;<a href="https://jos.unsoed.ac.id/index.php/seej/article/view/6913" target="_new">https://jos.unsoed.ac.id/index.php/seej/article/view/6913</a>&gt;. Date accessed: 27 apr. 2025.
doi: <a href="https://doi.org/10.32424/seej.v4i2.6913">https://doi.org/10.32424/seej.v4i2.6913</a>.