Maina, C., P. B. K. Njehia, and D. B. K. Eric. “SOURCES OF COMPETITIVE ADVANTAGE IN THE DAIRY INDUSTRY: SUPPLY CHAIN MANAGEMENT PRACTICES”. International Journal of Supply Chain Management, vol. 5, no. 1, May 2020, pp. 54 -72, https://iprjb.org/journals/index.php/IJSCM/article/view/1083.