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The willingness to pay for education in developing countries : evidence from rural Peru
Gertler, Paul J., (1989)
Behavioral and ecological economics
Katona, George, (1968)
Cheltuielile social-culturale ale statului - contribuţie importantă la creşterea nivelului de trai
Tulpan, Ion, (1969)
Inside the standard industrial classification codes: How many paper mills are there in Washington?
Ackerman, Frank, (1993)
Some Simple Tests of the Direct Effect of Education on Preferences and on Nonmarket Productivity.
Morris, Jeffrey, (1976)
Tanker forward freight agreements: the future for freight futures?
Dinwoodie, John, (2003)