Hussain M, Karim AS, Solaiman A, Haque M. Effects of Nitrogen and Boron on the Yield and Hollow Stem Disorder of Broccoli (Brassica oleracea var. italica). Agriculturists [Internet]. 2012 Dec. 25 [cited 2023 May 29];10(2):36-45. Available from: https://www.banglajol.info/index.php/AGRIC/article/view/13140