Plane, Donald R Business and economic statistics / Donald R Plane and Edward B Oppermann - 3rd ed. - Texas : Business, c1986. - XV, 711 p. ; ISBN: 025603432X LCCN: Subjects--Topical Terms: CommercialStatisticalmethodsEconomics LC Class. No.: HA29 / .P624 1986 Dewey Class. No.: 519.5 / P712b