Krupnik, S. P. ., S. K. . Rajnath, and S. R. . Nirmala. “EFFECT OF LAND DEGRADATION ON AGRICULTURAL PRODUCTIVITY IN WEST BENGAL, INDIA”. African Journal of Emerging Issues, vol. 4, no. 12, Nov. 2022, pp. 66-75, https://ajoeijournals.org/sys/index.php/ajoei/article/view/359.