de Pontes, Erick, 		Kulesza, Uirá, 		da Silva, Carlos Eduardo, 		Adachi, Eiji, AND 		Cirilo, Elder.
" Extracting and Evolving a Software Product Line from Existing Web-based Systems: An Experience Report" <em>Proceedings of the Brazilian Software Quality Symposium (SBQS)</em> [Online], (17 October 2018)