Siagian, Amrizal, and Angga Setiawan. “PROBLEMATIKA PEMBELAJARAN PADA MASA PANDEMI COVID-19”. Aufklarung: Jurnal Pendidikan, Sosial dan Humaniora 1, no. 2 (December 30, 2021): 84–90. Accessed April 13, 2026. https://pijarpemikiran.com.202-10-43-60.cpanel.site/index.php/Aufklarung/article/view/81.