OSUNDWA, M. M.; NG`ANG`A, W. K.; ABAYO, R. 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, [S. l.], p. 253–269, 2022. Disponível em: http://journals1.spu.ac.ke/index.php/amjr/article/view/132. Acesso em: 24 may. 2024.