Pham Van HungNga, N.T.D.Huyen, N.T.T.Pho, N.V.Thinh, N.T.Unger, FredMy, P.K.Nhuan, N.H.2019-06-272019-06-27https://hdl.handle.net/10568/101911Challenges for sustainable development of smallholder pig value chain in Vietnam