Hoque, M., F. Akhter, M. Kadir, H. Begum, and S. Ahmed. “Study on Combining Ability and Heterosis for Earliness and Short Statured Plant in Maize”. Bangladesh Journal of Agricultural Research, vol. 41, no. 2, June 2016, pp. 365-76, doi:10.3329/bjar.v41i2.28238.