qayum, .. (1966). boundness of ber capita consumption stream through time. the institute of national planning.
Chicago-referens (17:e uppl.)qayum, .A. Boundness of Ber Capita Consumption Stream Through Time. cairo: the institute of national planning, 1966.
MLA-referens (9:e uppl.)qayum, .A. Boundness of Ber Capita Consumption Stream Through Time. the institute of national planning, 1966.
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