William, Kagwima Justus, and Gakobo Joyce. “An Examination of How Pricing Strategy Affects Performance of Oil Marketing Companies in Kenya”. Journal of Marketing and Communication 3, no. 2 (November 6, 2020): 19–33. Accessed August 7, 2025. https://stratfordjournalpublishers.org/journals/index.php/journal-of-marketing/article/view/604.