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The state of small business in Estonia : report 1998
(1999)
Problemy sozdanija i funkcionirovanija malych predprijatij v strukture narodnogo chozjajstva : (na primere Ėstonskoj SSR) ; doklad na koordinacionnom soveščanii "O povyšenii ėffektivnosti obščestvennogo proizvodstva na osnove racionalʹnogo sočetanija krupnych, srednich i melkich predprijatij", Moskva, 3 - 5 dekabrja 1986 g.
Kala, Ants, (1986)
Principy sozdanija gosudarstvennych malych predprijatij i praktika ich realizacii v Ėstonskoj SSR
Kala, Ants, (1989)
Creation of a supportive model for designing and improving the performance management system of an organisation : case studies
Kadak, Tarmo, (2011)
True and fair view: the cornerstone of modern accounting
Alver, Jaan, (2002)
Preferred stock: liability or equity?
Alver, Jaan, (2007)