An Approach Using Entropy and Supervised Classifications to Disaggregate Agricultural Data at a Local Level 0.63
António Manuel Sousa Xavier, Rui Fragoso, Maria de Belém Martins, Maria do Socorro Rosario
Journal Of Quantitative Economics, New Series, vol. 17, 2019, p. 763-779.

The Economic Effects of Common Agricultural Policy on Mediterranean Montado/Dehesa Ecosystem 2.0
Rui Fragoso, Carlos Marques, Maria Raquel David Pereira Ventura Lucas, Maria de Belém Martins, R. Jorge
Journal of Policy Modeling, vol. 95, 2011, p. 311-327.

Is Agricultural Policy Promoting a New Role for Farmers? 5.0
Maria de Belém Martins, Carlos Marques
Journal of Policy Modeling, vol. 28, 2006, p. 847-860.