Joseph, N., and D. J. K. Mung’atu. “Identifying Factors Influencing Selection of Banks by Customers in Rwanda: Principal Components Analysis Approach”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 39, no. 1, June 2018, pp. 229-47, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/9016.