Alam A, Ahmed S, Begum M, Sultan M. Heterosis and combining ability for grain yield and its contributing characters in maize. Bangladesh J. Agric. Res [Internet]. 2008 Nov. 11 [cited 2025 Sep. 19];33(3):375-9. Available from: https://www.banglajol.info/index.php/BJAR/article/view/1596