Santos, Leandro Bruno. 2009. “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 29 (1). Goiânia:225-28. https://doi.org/10.5216/bgg.v29i1.7108.