PLANE, D. R. (1986). Business And Economic Ststistics Donald R. Plane And Edward B. Oppermann. Business Publications.
Chicago-viite (17. p.)PLANE, Donald R. Business And Economic Ststistics Donald R. Plane And Edward B. Oppermann. Business Publications, 1986.
MLA-viite (8. p.)PLANE, Donald R. Business And Economic Ststistics Donald R. Plane And Edward B. Oppermann. Business Publications, 1986.
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