TY - BOOK AU - Leite Prado,Ceres AU - Bakich Putziger,Militza AU - Vianna Santos,Ana Maria Lucena TI - Thoughts on the Use of Progression in a Bivalent Context PY - 2001///. N1 - 9 UR - https://shs.cairn.info/journal-ela-2001-1-page-89?lang=en ER -