Silva, Paulo Roberto, 		Pereira, Alexandre, 		Moura, Marisa, 		Araújo, Enos, 		Silva, José, 		Farias, Juliana, AND 		Albuquerque, Bruna Maria.
" Thesis and Dissertations" <em>Mercator</em> [Online], Volume 11 Number 25 (20 August 2012)