Mumah, E., Y. Chen, Y. Hong, and D. Okello. “Machinery Adoption and Its Effect on Maize Productivity Among Smallholder Farmers in Western Kenya: Evidence from the Chisel Harrow Tillage Practice”. Research on World Agricultural Economy, vol. 5, no. 1, Jan. 2024, pp. 1-18, doi:10.36956/rwae.v5i1.983.