00342nam a2200121 a 4500008004100000050001800041100002100059245002300080246003700103260004000140300003100180350000900211120416s1976 ||||||||||||||||| || u aHF 5415.2 Sch aSchoner, Bertram10aMarketing research aa short course for professionals aNew YorkbJohn Wiley and Sonsc1976 aVarious paginations : ill. a0.00