Salam, MA, et al. “Quality of Tomato (<i>Lycopersicon esculentum< I> Mill.) As Influenced by Boron and Zinc under Different Levels of NPK Fertilizers”. Bangladesh Journal of Agricultural Research, vol. 35, no. 3, Nov. 2010, pp. 475-88, doi:10.3329/bjar.v35i3.6454.