Ghaffar, A., M. Munir, O. Aziz, R. Alhajj, and A. Sanaullah. “An Assessment of the Smart COVID-19 Approach to Lockdown and Its Empirical Evidence”. Empirical Economic Review, Vol. 3, no. 2, Dec. 2020, pp. 31-61, doi:10.29145/eer/32/030203.