Refrence:
Jordan Naidoo, O. S., 2013. Making Education A Priority in the Post - 2015 Development Agenda. Education in the Post-2015, (http://www.unicef.org/education/files/Education_Thematic_Report_FINAL_v7_EN.pdf), pp. 15-30.
UNISAFE, 2014. Out of School Children Initiative. Basic Education and Gender Quality, Issue http://www.unicef.org/education/bege_61659.html, p. 1.
Warnock, M. H. M., 1978. Special Educational Needs. Report of the Committee of Enquiry into the Education of Handicapped Children and Young People, (http://cursos.tecmilenio.edu.mx/cursos/at8q3ozr5p/prof/pe/pe04006/anexos/Warnock%20report.pdf), pp. 25-35.