Afroz, MM, MAR Sarkar, MSU Bhuiya, and AK Roy. “Effect of Sowing Date and Seed Rate on Yield Performance of Two Mustard Varieties”. Journal of the Bangladesh Agricultural University 9, no. 1 (October 24, 2011): 5–8. Accessed December 2, 2023. https://www.banglajol.info/index.php/JBAU/article/view/8737.