Mikkelsen, B. E. . e Lundø, M. . (2016) “ Role of Public Organic Procurement Policies (POPP’s) in the implementation of organic food and farming strategies: : lessons learnt from Denmark”, Raízes: Revista de Ciências Sociais e Econômicas, 36(2), p. 45–54. doi: 10.37370/raizes.2016.v36.458.