Ali Bwala, M., Garba Yaru, A., & Alani, W. (2019). An assessment of the value chain of shea in Borgu area of Niger state, Nigeria: Assessing value chain of shea in Borgu. Journal of the Bangladesh Agricultural University, 17(3), 369–374. https://doi.org/10.3329/jbau.v17i3.43217