KIARA, Dorcas Kawira; KIMUNIO, Isaac. DIGITAL PAYMENT SYSTEMS AND THE FINANCIAL PERFORMANCE OF SMALL AND MEDIUM ENTERPRISES IN NAIROBI COUNTY CENTRAL BUSINESS DISTRICT, KENYA. Journal of Business Systems Innovation and Management Science, [S. l.], v. 3, n. 1, p. 1–14, 2026. Disponível em: https://academicpubs.org/ojs33/index.php/JBSIMS/article/view/106. Acesso em: 31 aug. 2026.