YUNGINGER, Ester Erents.
 Model Gelis Produktif di SMA Negeri 2 Limboto.
<strong>Ideas: Jurnal Pendidikan, Sosial, dan Budaya</strong>, [S.l.], v. 6, n. 1, p. 105-122, mar. 2020.
ISSN 2656-940X.
Available at: &lt;<a href="https://jurnal.ideaspublishing.co.id/index.php/ideas/article/view/248" target="_new">https://jurnal.ideaspublishing.co.id/index.php/ideas/article/view/248</a>&gt;. Date accessed: 02 june 2026.