1. Aguboshim, F. C. (2021). Adequacy of sample size in a qualitative case study and the dilemma of data saturation: A narrative review. World Journal of Advanced Research and Reviews, 10(03), 180–187.
2. Anríquez, G., & Stamoulis, K. G. (2007). Rural development and poverty reduction: Is agriculture still key? Electronic Journal of Agricultural and Development Economics 4(1), 5–46. Available online. http://www.sciepub.com/reference/284963#:~:text
3. Assan, J. K. (2014). Livelihood diversification and sustainability of rural non-farm Enterprises in Ghana. Journal of Management and Sustainability., 4(4), 1–14.
4. Baharu, G. (2016). Determinants of livelihood diversification: The case of Kembata Zone, Southern Ethiopia. Journal of Poverty, Investment and Development. 23, 1–10. Available online. https://iiste.org/Journals/index.php/JPID/article/view/3020
5. Boddy, C. R. (2016, September). Sample size for qualitative research. Qualkitative Market Research. https://www.researchgate.net/publication/309213905