Santos, L. B. “CHANG, HA-JOON. WHY DEVELOPING COUNTRIES NEED TARIFFS? HOW WTO NAMA NEGOTIATIONS COULD DENY DEVELOPING COUNTRIES’ RIGHT TO A FUTURE. GENEVA: SOUTH CENTRE, 2005, P. 113”. Boletim Goiano De Geografia, vol. 29, nº 1, setembro de 2009, p. 225-8, doi:10.5216/bgg.v29i1.7108.