Nadia Islam, Md Nahid Hashan, Rayhan Ahammed, Biswajit Das, Shamsunnahar and Shohrab Hoshain 2023. Effect of various doses of cowdung and nitrogen on the yield performance of mustard in coastal area of Bangladesh (Brassica sp.). Research in Agriculture Livestock and Fisheries. 10, 2 (Sep. 2023), 109–122. DOI:https://doi.org/10.3329/ralf.v10i2.68761.