Amoako, O. A., Adjebeng-Danquah, J., Agyare, R. Y., Tengey, T. K., Puozaa, D. K., and Kassim, B. Y. “Growth and yield performance of cassava under different plant population densities of two cowpea varieties in a cassava/cowpea intercrop”. International Journal of Agricultural Technology, vol. 18, no. 5, Sept. 2022, pp. 1917-36, https://li04.tci-thaijo.org/index.php/IJAT/article/view/8619.