Firoz, ZA, MM Jaman, MS Alam, and MK Alam. “Effect of Boron Application on the Yield of Different Varieties of Broccoli in Hill Valley”. Bangladesh Journal of Agricultural Research 33, no. 4 (April 15, 2009): 655–657. Accessed September 11, 2025. https://banglajol.info/index.php/BJAR/article/view/2310.