Hossain, M. B., M. S. Alam, and M. A. Ripon. “Effect of Irrigation and Sowing Method on Yield and Yield Attributes of Mustard”. Rajshahi University Journal of Life &Amp; Earth and Agricultural Sciences, vol. 41, Jan. 2015, pp. 65-70, doi:10.3329/rujleas.v41i0.21626.