Chat และ Hoang Thi. (1993) <An> analysis of the current educational situation in Vietnam's rural area. Khon Kaen University,:ม.ป.ท.Chat และ Hoang Thi. 1993. <An> analysis of the current educational situation in Vietnam's rural area. ม.ป.ท.:Khon Kaen University,;Chat และ Hoang Thi. <An> analysis of the current educational situation in Vietnam's rural area. ม.ป.ท.:Khon Kaen University, 1993. Print.