Soraj Hongladarom. (2014) Agricultural and food ethics : The studies of value system that promotes food security and environment sustainability : Research research (completed). Chulalongkorn University:ม.ป.ท.Soraj Hongladarom. 2014. Agricultural and food ethics : The studies of value system that promotes food security and environment sustainability : Research research (completed). ม.ป.ท.:Chulalongkorn University;Soraj Hongladarom. Agricultural and food ethics : The studies of value system that promotes food security and environment sustainability : Research research (completed). ม.ป.ท.:Chulalongkorn University, 2014. Print.