Wamunyu, M. E., E. K. Bett, and I. Macharia. “The Characteristics of Lending Groups in Murang’a County, Kenya”. Journal of Agriculture & Environmental Sciences, vol. 1, no. 2, Dec. 2017, pp. 1-14, https://stratfordjournals.com/journals/index.php/journal-of-agriculture/article/view/91.