Apichet Phongphaibul และ Somsook Khongpun. (2009) A survey of Thai opinions toward foreign ownership of land in Thailand. Language Institute, Thammasat University,:ม.ป.ท.Apichet Phongphaibul และ Somsook Khongpun. 2009. A survey of Thai opinions toward foreign ownership of land in Thailand. ม.ป.ท.:Language Institute, Thammasat University,;Apichet Phongphaibul และ Somsook Khongpun. A survey of Thai opinions toward foreign ownership of land in Thailand. ม.ป.ท.:Language Institute, Thammasat University, 2009. Print.