Key Information Systems Issues in the Portuguese Financial Sector. - Manuel João Pereira; Rodrigo de Magalhães (ECIS, 1996)

The Electronic Purse in Portugal: A Mere Payment System Or A Socio-economic 'Revolution'? - Tawfik Jelassi; Manuel João Pereira (ECIS, 1997)

lmpacts of the European Monetary Union on financial institutions: a research approach for information systems strategy. - Manuel João Pereira; Luís Valadares Tavares (ECIS, 1998)

Linking the European monetary union and the information systems strategy of financial institutions: a research approach to understand the changeover. - Manuel João Pereira; Luís Valadares Tavares (ICIS, 1998)

A Multidimensional Dynamic Regulation Model for E-Marketplaces: DYNEX. - Luís Valadares Tavares; Manuel João Pereira; J. S. Coelho (I3E, 2002)

Sustainable Development and Investment in Information Technologies: A Socio-Economic Analysis. - Manuel João Pereira; Luís Valadares Tavares; Raquel Soares (ICEIS (3), 2005)