Alam, AKMM, S Ahmed, M Begum, and MK Sultan. “Heterosis and Combining Ability for Grain Yield and Its Contributing Characters in Maize”. Bangladesh Journal of Agricultural Research 33, no. 3 (November 11, 2008): 375–379. Accessed September 1, 2024. https://banglajol.info/index.php/BJAR/article/view/1596.