Siregar KCN, Hamka. Analisis Pelaksanaan Pembelajaran Abad 21 di SDN 100213 Kampung Lalang Kabupaten Tapanuli Selatan . AJPM [Internet]. 2026 Jun. 30 [cited 2026 Jul. 4];4(6):1662-9. Available from: https://ejournal.45mataram.ac.id/index.php/armada/article/view/2498