00581nam a22001931 4500 1/23437 980220s1976 enk e 00010 eng 0810303728 25159 GR-PeUP 650.03 EN R 650.03 EN Encyclopedia of business information Sources. 3rd ed. Detroit: Gale Research Company, 1976. 668 σ.; 30 εκ. Encyclopaedia. INST UNIPILB REF 20040722 650.03 EN 00108402 00108402 NOLOAN 23 1 /webopac/covers/02/25159_0810303728.jpg