Chau L T M, Lebailly P and Trung T Q 2017: Enhancing farmers’ market power and income in the pig value chain; a case study in Bac Giang province, Vietnam. Livestock Research for Rural Development. Volume 29, Article #221. Retrieved April 6, 2025, from http://www.lrrd.org/lrrd29/12/ltmc29221.html