00650nam a2200205 i 4500 1/14340 990216s1982 enk 000 0 eng 0030581346 14817 DLC GR-PeUP 513.93 OC Ochs, Robert. Introduction to business mathematics/ Robert Ochs, James Gray. Philadelphia: Saunders College Publishing, 1982. x, 356p.; 25 cm. Index. Business mathematics. Gray, James. INST UNIPILB MAIN 20040709 513.93 OC 00115599 00115599 LOAN 0 1 /webopac/covers/01/14817_0030581346.jpg