Rich, Karl M.Nguyen Thi Thu HuyenDuong Nam HaNguyen Thi Duong NgaVu Khac XuanNinh Xuan TrungTran Van LongPham Van HungUnger, FredHamza, K.Lapar, Ma. Lucila2016-02-112016-02-11https://hdl.handle.net/10568/71011Using system dynamics for ex-ante impact assessment of food safety policies in pig value chains