Buti Sarma Sitompul, Fizri Aspika Putri Pane, M. Dzaky Labib, Nur Adila, Sabilla Meliani Brutu, and Eka Yusnaldi. “21st Century Education: Improving Students’ Skills Using Cooperative Learning Models In Social Studies Learning”. Jurnal Multidisiplin Sahombu 5, no. 02 (January 29, 2025): 239–245. Accessed May 24, 2025. https://ejournal.seaninstitute.or.id/index.php/JMS/article/view/6229.