Gupta Garima Service quality An empirical investigation of select service Gupta Garima - Delhi University of Delhi 2005 - ii, 238p cm. - University of Delhi, Commerce (Deptt of -), Thesis. Thesis, University of Delhi (Deptt. of -) . Bibliography: P i-xix Source: General Book Subjects--Topical Terms: SERVICE INDUSTRY Dewey Class. No.: X9(Y), P5/TH