Manyeki, K., D. W. Ongeti, and D. W. Odiyo. “Influence of Porters Generic Strategies on Performance of Private Chartered Universities in Kenya: A Case of Nairobi County”. Journal of Strategic Management, vol. 2, no. 5, Jan. 2019, pp. 47-67, https://stratfordjournals.com/journals/index.php/journal-of-strategic-management/article/view/238.