PINHEIRO, Wellington R.; 						BARROS, Leliane N. de.
 An intelligent tutor for teaching/learning programming with model-based hierarchical diagnosis techniques. <em>In</em>: NATIONAL MEETING ON ARTIFICIAL AND COMPUTATIONAL INTELLIGENCE (ENIAC), 7.	, 2009, Bento Gonçalves/RS.
	 
	<strong>Anais</strong> [...].
 Porto Alegre: Sociedade Brasileira de Computação, 
	2009
.
 p. 462-471. 
			ISSN 2763-9061.