- Practical issues in the valuation of real properties with special reference to income approach and financial reporting purposeIlsjan, Veronika; Kask, KaiaWorking papers in economics. Vol. 16 (TUTWPE No 129-132)2005 / TUTWPE No. 132, p. 73-90 https://artiklid.elnet.ee/record=b1019774*est