%0 Book Section %B Intelligent Tutoring Systems %D 2004 %T A Learning Environment for English for Academic Purposes Based on Adaptive Tests and Task-Based Systems %A Gonçalves, Jean P. %A Aluisio, Sandra M. %A de Oliveira, Leandro H.M. %A Oliveira Jr., Osvaldo N. %E Lester, James C. %E Vicari, Rosa Maria %E Paraguaçu, Fábio %B Intelligent Tutoring Systems %S Lecture Notes in Computer Science %I Springer Berlin / Heidelberg %V 3220 %P 1-11 %@ 978-3-540-22948-3 %G eng %U http://dx.doi.org/10.1007/978-3-540-30139-4_1 %R 10.1007/978-3-540-30139-4_1