Barros, P.H.B. de, Oliveira, R.A. de and Baggio, I.S. (2019) “Coffee productivity and regional development in Brazil”, Revista de Política Agrícola, 28(2), p. 76. Available at: https://rpa.sede.embrapa.br/RPA/article/view/1418 (Accessed: 20 September 2026).