Upgrading in smallholder pig value chain in Vietnam - Nga, N.T.D.; Hung, P.V.; Hung Nguyen-Viet; Huyen, N.T.T.; Nhuan, N.H.; Giang Huong; Pho, N.V.; Quang, B.V.; Trang, N.T.H. (Vietnam National University of Agriculture, 2019)