Competition and Diversification in Public and Private Higher Education 2.5
Pedro Nuno Teixeira, Vera Catarina Rocha, Ricardo Biscaia, Margarida F. Cardoso
Applied Economics, vol. 45, 2013, p. 4949-4958.

Myths, Beliefs and Realities: Public-Private Competition and Program Diversification in Higher Education 2.5
Margarida F. Cardoso, Pedro Nuno Teixeira, Vera Catarina Rocha, Ricardo Biscaia
Journal of Economic Issues, vol. 46, 2012, p. 683-703.