Sirikul Dechakhanit. (2005) Household wealth and opportunities to continuing on secondary education of students in Nangrong district, Burirum province. Mahidol University,:ม.ป.ท.Sirikul Dechakhanit. 2005. Household wealth and opportunities to continuing on secondary education of students in Nangrong district, Burirum province. ม.ป.ท.:Mahidol University,;Sirikul Dechakhanit. Household wealth and opportunities to continuing on secondary education of students in Nangrong district, Burirum province. ม.ป.ท.:Mahidol University, 2005. Print.