Azad, Mohammad Abul Kalam, Bhabendra Kumar Biswas, Nazmul Alam, and Sheikh Shamimul Alam. 2014. “Combining Ability and Heterosis for Some Quantitative Traits in Experimental Maize Hybrids”. Plant Breeding and Seed Science 70 (December):41-54. http://ojs.ihar.edu.pl/index.php/pbss/article/view/274.