Analyzing Basic Problem Frames in i* Context. - Maria Lencastre 001; Keldjan Alves; Renata Cristina Faray Melo; Fernanda M. R. Alencar (WER, 2006)

Analyzing Problem Frames together with Solution Patterns. - Ellen Souza 001; Maria Lencastre 001; Renata Cristina Faray Melo; Lilian Ramires; Keldjan Alves (WER, 2007)

Measurement and control for risk-based test cases and activities. - Ellen Souza 001; Cristine Gusmão; Keldjan Alves; Julio Venancio; Renata Cristina Faray Melo (LATW, 2009)