Islam, M. et al. 2019. Forms and Placement of Nitrogen Fertilizers Influence Nitrogen Use Efficiency and Yield of BRRI Dhan49 under Continuous Flooded Condition. Journal of Environmental Science and Natural Resources. 11, 1-2 (Sep. 2019), 53–58. DOI:https://doi.org/10.3329/jesnr.v11i1-2.43366.