RAMADAN , S. H., and M. A. HUSAIN. “ESTIMATION COMBINING ABILITY AND SOME GENETIC PARAMETERS FOR MAIZE (Zea Mays l.) AND ITS COMPONENETS USING LINE X TESTER”. Journal of Duhok University, Vol. 25, no. 2, Dec. 2022, pp. 229-37, doi:10.26682/ajuod.2022.25.2.20.