A Note on Variable Addition Tests for Linear and Log-Linear Models
Leslie Godfrey, João Santos Silva
Economics Letters, vol. 95, 2007, p. 422-427.

Simulation-Based Tests for Heteroskedasticity in Linear Regression Models: Some Further Results
Leslie Godfrey, Chris Orme, João Santos Silva
Econometrics Journal, vol. 9, 2006, p. 76-97.

Bootstrap Tests of Nonnested Hypotheses: Some Further Results
Leslie Godfrey, João Santos Silva
Econometric Reviews, vol. 23, 2004, p. 325-340.