PANDEY, B. W. .; SINGH, Y. .; RANI, U. .; KUMAR, R. .; SINGH, A. .; PAL, R. . A geographical analysis of the rst wave of Covid-19 with reference to highland and lowland regions of India. National Geographical Journal of India , [S. l.], v. 67, n. 3, p. 263–281, 2021. Disponível em: https://ngji.in/index.php/ngji/article/view/132. Acesso em: 6 may. 2024.