Chepkoech, Mae, Charles Lagat, and Gary L. Frankwick. “Leapfrogging in Marketing: Empirical Analysis of Kenyan Mobile Phone Industry”. SEISENSE Journal of Management 4, no. 4 (July 15, 2021): 33–46. Accessed December 1, 2024. https://journal.seisense.com/jom/article/view/665.