Van Praag, B. M. (1968). Individual welfare functions and consumer behavior. North Holland.
Tohutoru Kātū Chicago (17th ed.)Van Praag, Bernard M.S. Individual Welfare Functions and Consumer Behavior. Amsterdam: North Holland, 1968.
Tohutoro MLA (9th ed.)Van Praag, Bernard M.S. Individual Welfare Functions and Consumer Behavior. North Holland, 1968.
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