Thongjit Pongpiajun. 2000. The possibility for exporting Thai mangoes to Kunming, Yunnan province, P.R. China. Field of Study Agricultural Systems, Chaing Mai University;
Thongjit Pongpiajun. (2000) The possibility for exporting Thai mangoes to Kunming, Yunnan province, P.R. China . Chaing Mai University/Chiang Mai.
Thongjit Pongpiajun. The possibility for exporting Thai mangoes to Kunming, Yunnan province, P.R. China. . Chiang Mai:Chaing Mai University, 2000.
Thongjit Pongpiajun. (2000) The possibility for exporting Thai mangoes to Kunming, Yunnan province, P.R. China . Chaing Mai University/Chiang Mai.