Baiyegunhi, L. J., S. E. Mashabane, and N. C. Sambo. “Influence of Socio-Psychological Factors on Consumer Willingness to Pay (WTP) for Organic Food Products”. Journal of Economics and Behavioral Studies, Vol. 10, no. 5(J), Nov. 2018, pp. 208-19, doi:10.22610/jebs.v10i5(J).2510.