D'Elia, Enrico (1991): La quantificazione dei risultati dei sondaggi congiunturali: un confronto tra procedure. Published in: Rassegna dei lavori dell'ISCO No. n. 13 (June 1991): pp. 1-72.
D'Elia, Enrico (2009): The first qualitative survey on Albanian firms: preliminary results. Published in: Capolupo R., S. Cani and G. Ferri (Eds.), Towards European Integration: Cooperation and Development Across the Adriatic Basin, 2009, Bari. (2009)
D'Elia, Enrico (2010): Predictions vs preliminary sample estimates. Unpublished.
D'Elia, Enrico (2008): Hedonic Regressions, Matched Models and Economic Theory. Unpublished.
