Firoj, M. ., S. Khanom, M. M. . Rashid, A. . Sultana, H. . Kallol, M. N. . Islam, and N. . Sultana. “Covid-19 Impact on the Workers of the Informal Sector: A Longitudinal Study of Bangladesh”. Asian Development Policy Review, vol. 9, no. 4, Oct. 2021, pp. 194-08, doi:10.18488/journal.107.2021.94.194.208.