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<xml><bibliography><APA>Trinh และ Van Tien. (2006) An analysis of the supply response of robusta coffee in Vietnam /. Kasetsart University,:ม.ป.ท.</APA><Chicago>Trinh และ Van Tien. 2006. An analysis of the supply response of robusta coffee in Vietnam /. ม.ป.ท.:Kasetsart University,;</Chicago><MLA>Trinh และ Van Tien.  An analysis of the supply response of robusta coffee in Vietnam /.  ม.ป.ท.:Kasetsart University, 2006. Print.</MLA></bibliography></xml>
