Strategic implications of accounting systems for the European road freight haulage sector
João C. Neves, Sandra Justo
International Journal Of Transport Economics, vol. 34, 2007, p. 429-455.

An Empirical Analysis of Terrorism: Deprivation, Islamism and Geopolitical Factors
Ana Bela Santos Bravo, Carlos Manuel Mendes Dias
Defence and Peace Economics, vol. 17, 2006, p. 329-341.