qayum, a. (1964). an extension of black's optimum savings model. the institute of national planning.
Čikaški stil citiranja (17. izdanje)qayum, a. An Extension of Black's Optimum Savings Model. cairo: the institute of national planning, 1964.
MLA način citiranja (9. izdanje)qayum, a. An Extension of Black's Optimum Savings Model. the institute of national planning, 1964.
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