Islam, M. J. . “Contextual Estimation of Marketable and Marketed Surplus of Selected Seasonal Fruits: A Study Based on Chittagong Hill Tracts (CHT) of Bangladesh”. International Journal of Sustainable Agricultural Research, vol. 6, no. 1, Mar. 2019, pp. 21-32, doi:10.18488/journal.70.2019.61.21.32.