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