Siregar, Fazidah Aguslina. “Survey of Knowledge and Practice in Facing Covid 19 Among Communities in Malaysia and Indonesia: Towards Apply New Norm”. Journal of Saintech Transfer 4, no. 1 (August 18, 2021): 16-23. Accessed September 21, 2024. https://talenta.usu.ac.id/jst/article/view/5119.