Saunders, Mark Research methods for business students / Mark Saunders, Philip Lewis, Adrian Thornhill - 4th ed. - Harlow, England : Prentice Hall, 2007 - 479 p. : ill. ; 25 cm. ISBN: 9780273701484 0273701487 Subjects--Topical Terms: Business--Research--MethodologyManagement--Research--MethodologyBusiness--Research--Data processing