Adams, A., C. Osei-Amponsah, and E. Tetteh Jumpah. “Analysing the Determinants, Constraints and Opportunities of Smallholder Farmers Access to Input Markets: Evidence from Northern Ghana”. Journal of Agribusiness and Rural Development, Vol. 56, no. 2, July 2020, pp. 133-4, doi:10.17306/J.JARD.2020.01286.