ADEGBOLA, A., G. A. DRAMANE, and V. AHYI. “ in the City of Parakou (Benin)”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 20, no. 2, Mar. 2015, pp. 363-9, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/3553.