A. M. WINFIELD REYES, C. TOPETE BARRERA, and F. N. WINFIELD REYES, “Values and professional ethics in the leadership management of directors of educational organizations”, Int J Innov Educ Res, vol. 7, no. 3, pp. 40–55, Mar. 2019, doi: 10.31686/ijier.vol7.iss3.1336.