1. Barnes, J. I., MacGregor, J. J., Nhuleipo, O., & Muteyauli, P. I. (2010). The value of Namibia’s forest resources: Preliminary economic asset and flow accounts. Development Southern Africa, 27(2), 159–176.
2. Boatsman, J. R., & Baskin, E. F. (1981). Asset valuation with incomplete markets. Accounting Review, 38–53.
3. Buchanan, J. M. (1986). Liberty, Market and State: Political Economy in the 1980s. New York University Press.
4. Cairns, J., Elliot, R., & McAvinchey, I. (1992). Dictionary of modern economics. Macmillan International Higher Education.
5. Calabresi, G. (2008). The cost of accidents: A legal and economic analysis. Yale University Press.