Jahun, B. Y., Izge, A. U., Buba U. M., and Sabo, M. U., “COMBINING ABILITY STUDY AMONG LINES OF COWPEA (Vigna unguiculata L. Walp) FOR YIELD AND YIELD RELATED COMPONENTS”, JASD, vol. 6, no. 3, pp. 17–28, Sep. 2023.