Islam, MS, MAR Sarkar, S Uddin, and S Parvin. 2012. “Yield of Fine Rice Varieties As Influenced by Integrated Management of Poultry Manure Urea Super Granules and Prilled Urea”. Journal of Environmental Science and Natural Resources 5 (1):129-32. https://doi.org/10.3329/jesnr.v5i1.11567.