Kawira, Kimathi Doreen. “The Effect of Product and Service Innovation on the Performance of Micro, Small and Medium Enterprises in Kenya”. Journal of Marketing and Communication 4, no. 1 (February 25, 2021): 1–16. Accessed August 7, 2025. https://stratfordjournalpublishers.org/journals/index.php/journal-of-marketing/article/view/681.