Effects of European Union Accession: Part I Budgeting and Financial Control (Sigma Paper No. 19, 1998)
Effects of European Union Accession: Part II External Audit (Sigma Paper No. 20, 1998)
European Principles for Public Administration (Sigma Paper No. 27, 1999)
Improving Policy Instruments through Impact Assessment (Sigma Paper No. 31, 2001)
Management Control in Modern Government Administration: Some Comparative Practices (Sigma Paper No. 4, 1996)
