Kamonzo, J. K., D. L. Mutisya, B. K. Muli, and S. N. Nguluu. “Comparative Whitefly Vector Density and Bean Disease Incidence on Local and Hybrid Varieties in Semi-Arid Kenya”. GSC Biological and Pharmaceutical Sciences, vol. 5, no. 3, Dec. 2018, pp. 046-53, doi:10.30574/gscbps.2018.5.3.0071.