Bii, John, John Muhoho, and James Mwangi. “Effect of Revenue Generation Strategies on Operation Efficiency in Public Secondary Schools in Londiani Sub-County”. African Multidisciplinary Journal of Research 1, no. 1 (April 20, 2022): 421–433. Accessed July 6, 2025. http://41.89.51.178/index.php/amjr/article/view/142.