"Agronomic Performance, Genetic Variability and Interrelationships of Traits in Some Cowpea (Vignaunguiculata L.Walp) Genotypes under the Semi-Arid Tropics of Sudan". 2021. University of Khartoum Journal of Agricultural Sciences 29 (2). https://doi.org/10.53332/uofkjas.v29i2.164.