Ibrahim, A., A. Adedeji, and P. Meduna. “Constraints Facing Agroforestry Practices Among Farmers in New Bussa, Nigeria”. Journal of Research in Forestry, Wildlife and Environment, vol. 11, no. 3, Oct. 2019, pp. 133-41, https://www.ajol.info/index.php/jrfwe/article/view/190282.