TY - JOUR AU - Albuquerque, Carlossandro Carvalho de AU - Cunha, Maria Soares da PY - 2012 TI - Thesis and Dissertations JF - Mercator; Vol 11 No 26 (2012): set./dez. KW - N2 - UR - http://www.mercator.ufc.br/mercator/article/view/988