Chemobo, D. C., C. Kimani, D. Musiega, and A. M. Willy. “The Effect of Transformational Leadership Style on Teacher Efficiency in Public Secondary Schools in Kakamega Central Sub County, Kenya”. The International Journal of Business & Management, vol. 2, no. 5, May 2014, https://internationaljournalcorner.com/index.php/theijbm/article/view/127644.