Islam, M., M. Mahfuz, M. Sarker, S. Ghosh, and A. Ali. “Effect of Seasonal and Environmental Variation on Yield and Yield Components of Hybrid Maize”. International Journal of Agricultural Research, Innovation and Technology, vol. 4, no. 2, Mar. 2015, pp. 1-5, doi:10.3329/ijarit.v4i2.22635.