Siregar, Khofifah Choirun Nisya, and Hamka. “Analisis Pelaksanaan Pembelajaran Abad 21 Di SDN 100213 Kampung Lalang Kabupaten Tapanuli Selatan”. ARMADA : Jurnal Penelitian Multidisiplin 4, no. 6 (June 30, 2026): 1662–1669. Accessed July 4, 2026. https://ejournal.45mataram.ac.id/index.php/armada/article/view/2498.