Mason, Robert D. Statistical techniques in business and economics / Robert D. Mason and Lind A. Doaglas - 8th ed. - Homewood : Irwin, c1993. - XXIV , 87 p. : ISBN: 0256103380 LCCN: Subjects--Topical Terms: Commercial statisticsSocial sciencesStatistical methods LC Class. No.: HA29 / .M268 1993