hansen, b. (1965). marginal productivity wage theory and subsistence agriculture. the institute of national planning.
Chicago-viite (17. p.)hansen, bent. Marginal Productivity Wage Theory and Subsistence Agriculture. cairo: the institute of national planning, 1965.
MLA-viite (9. p.)hansen, bent. Marginal Productivity Wage Theory and Subsistence Agriculture. the institute of national planning, 1965.
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