Kariuki, James, and Dr. Fanice Nafula. “Innovative Strategies and Performance of Cement Manufacturing Firms in Athi River Zone”. Journal of Strategic Management 4, no. 2 (July 15, 2020): 58–71. Accessed December 9, 2024. https://www.stratfordjournal.org/journals/index.php/journal-of-strategic-management/article/view/529.