Muhammad, L. K.; Kabir, K.; Ghana, M. A. Influence of Cowdung Fertilization And Spacing On Growth And Yield Of Cowpea (Vigna Unguiculata L. Walp) Varieties In Teaching And Research Farm Of Federal University, Dutsin-Ma, Nigeria. FJS 2026, 10 (17), 401-408. https://doi.org/10.33003/fjs-2026-1017-6109.