Thong-Ngam, C. (2014). Changing roles of upland rice in diversified production systems in a hilltrbe village of Chiang Rai province / Charal Thong-Ngam. Chiang Mai : Graduate School, Chiang Mai University, 1996.
Chicago Style CitationThong-Ngam, Charal. Changing Roles of Upland Rice in Diversified Production Systems in a Hilltrbe Village of Chiang Rai Province / Charal Thong-Ngam. Chiang Mai : Graduate School, Chiang Mai University, 1996, 2014.
MLA引文Thong-Ngam, Charal. Changing Roles of Upland Rice in Diversified Production Systems in a Hilltrbe Village of Chiang Rai Province / Charal Thong-Ngam. Chiang Mai : Graduate School, Chiang Mai University, 1996, 2014.
警告：這些引文格式不一定是100％准確.