Choudhury, L.P., Jammy, G.R. and Pant, R. 2020. Concurrent impact evaluation of lockdown measures on COVID-19 positivity in three states of India. International Journal Of Community Medicine And Public Health. 7, 10 (Sep. 2020), 4028–4032. DOI:https://doi.org/10.18203/2394-6040.ijcmph20204371.