Kabir, MH, MAR Sarkar, and AKMSH Chowdhury. 2010. “Effect of Urea Super Granules, Prilled Urea and Poultry Manure on the Yield of Transplant Aman Rice Varieties”. Journal of the Bangladesh Agricultural University 7 (2):259-63. https://doi.org/10.3329/jbau.v7i2.4732.