Moniruzzaman, M. et al. 2008. Effects of Sulfur, Boron, Zinc and Molybdenum on Yield and Profitability of Broccoli (<i>Brassica oleracea L. Var. italica</i>). Journal of Agriculture & Rural Development. 6, 1 (Dec. 2008), 43–53. DOI:https://doi.org/10.3329/jard.v6i1.1657.