Combining Ability of Highland Adapted Maize (Zea Mays. L) Inbred Lines for Desirable Agronomic Traits Under Optimum and Low Nitrogen Conditions. J. sci. sustain. dev. [Internet]. 2020 Jan. 8 [cited 2026 Oct. 28];8(1):1-13. Available from: https://ojs-dev.ethernet.edu.et/index.php/jssd/article/view/138