Rahman, M. M., and S. L. Ranamukhaarachchi. “Fertility Status and Possible Environmental Consequences of Tista Floodplain Soils in Bangladesh”. Science & Technology Asia, vol. 8, no. 3, Nov. 2015, pp. 11-19, https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/41711.