• Professional certification of accountants in EstoniaAlver, Jaan; Alver, LehteBritish Accounting Association Annual Conference2005 / p. 77
• The political economy of macroeconomic developments, central bank and tax system reform in EstoniaVensel, Vello1996
• The political economy of privatisation in EstoniaPurju, Alari1996 https://www.ester.ee/record=b1036779*est
• Voluntary disclosure in annual report by Estonian enterprisesKitvel, Evi; Käi, RiinaBritish Accounting Association Annual Conference2005 / p. 146