Kordy, Labwa, and Saad Alfalluji. “ECONOMIC EFFICIENCY OF CORN CROP CULTIVATING (AL-NAHRAIN HYBRID) IN SALAHDIN AND KIRKUK GOVERNORATES IN AGRICULTURAL SEASON 2023”. IRAQI JOURNAL OF AGRICULTURAL SCIENCES, vol. 57, no. 6, June 2026, pp. 1718-30, https://doi.org/10.36103/a9v7r538.