Osundwa, Maurice M., Wanjiku K. Ng`ang`a, and Robert Abayo. “The Influence of Promotion Marketing Mix Element on Performance of Microfinance Institutions in Nairobi County: Emerging Trends in Customer Management”. African Multidisciplinary Journal of Research (April 20, 2022): 253–269. Accessed May 24, 2024. http://journals1.spu.ac.ke/index.php/amjr/article/view/132.