MALIK, Ali Afzal; 						BOEHM, Barry.
 An Empirical Study of Requirements Elaboration. <em>In</em>: SIMPÓSIO BRASILEIRO DE ENGENHARIA DE SOFTWARE (SBES), 22.	, 2008, Campinas.
	 
	<strong>Anais</strong> [...].
 Porto Alegre: Sociedade Brasileira de Computação, 
	2008
.
 p. 113-123. 
		DOI: <a href="https://doi.org/10.5753/sbes.2008.21327">https://doi.org/10.5753/sbes.2008.21327</a>.