Patrick M., W., Jeremiah M., K. and Ursula, A, O. 2017. Principals’ Use of Student Mentorship Programmes and Students’ Discipline in Secondary Schools in Machakos County, Kenya. European Scientific Journal, ESJ. 13, 28 (Oct. 2017), 38. DOI:https://doi.org/10.19044/esj.2017.v13n28p38.