Nyankabaria, Everlyn Kerubo, Benson Charles Odongo, and Peter Jairo Aloka. 2017. “Role of Primary School Head Teachers in Enhancing Quality Pre-School Education in Rongo Sub-County, Kenya”. The International Journal of Science & Technoledge 5 (1). https://internationaljournalcorner.com/index.php/theijst/article/view/123411.