Nasution, Salma Ida, and Zaka Hadikusuma Ramadan. “Primary School Teacher Performance During The Covid-19 Pandemic”. Jurnal Ilmiah Sekolah Dasar 5, no. 4 (October 23, 2021): 639–647. Accessed December 22, 2024. https://ejournal.undiksha.ac.id/index.php/JISD/article/view/40237.