“EFFECT OF COMPETITIVE STRATEGIES ON FIRM PERFORMANCE (A CASE STUDY OF NATIONAL OIL CORPORATION OF KENYA)”. Journal of International Business, Innovation and Strategic Management 2, no. 2 (October 15, 2018): 288–310. Accessed October 12, 2026. https://www.jibism.org/core_files/index.php/JIBISM/article/view/64.