Zeyad A. Abdulhamed, Nihad.M. Abood, and Abdulsamad. H. Noaman, “RECURRENT SELECTION FOR GENERAL AND SPECIFIC COMBINING ABILITY IN MAIZE”, Iraqi J. Agric. Sci., vol. 55, no. Special, pp. 99–110, Jan. 2024, doi: 10.36103/ijas.v55iSpecial.1889.