Khan, A., S. J. Khan, and M. Mansoor. “Combining Ability Study in a 6 × 6 Diallel Cross of Maize: Combining Ability of a Diallel Cross of Maize”. Biological Sciences - PJSIR, vol. 54, no. 1, Oct. 2011, pp. 18-22, doi:10.52763/PJSIR.BIOL.SCI.54.1.2011.18.22.