Mohanta, H., M. Hossain, M. Alam, M. Reza, and M. Islam. “Effect of Zinc, Boron and Molybdenum on the Seed Yield of Carrot (Daucus Carota L.)”. Bangladesh Journal of Agricultural Research, vol. 38, no. 4, May 2014, pp. 563-72, doi:10.3329/bjar.v38i4.18869.