Islam, M K, M G Morshed, J Uddin, S Nasrin, A Hasan, and M A S Jiku. “Effects of Boron and Calcium on Seed Yield and Quality of Onion: Effects of Yield and Quality of Onion Seed”. Bangladesh Journal of Agriculture 49, no. 2 (February 2, 2025): 87–100. Accessed October 31, 2025. https://www.banglajol.info/index.php/BJAgri/article/view/78260.