Citra Resmi, Ulva Dian, and Enung Hasanah. 2020. “Best Practice Leadership of The Principal in Covid-19 Prevention Primary School at SD Muhammadiyah Purbayan ”. Randwick International of Education and Linguistics Science Journal 1 (3), 398-407. https://doi.org/10.47175/rielsj.v1i3.150.