Trochim, William M. K. Research methods - New Dehli Biztantra 2009 - ix, 363p. : ill. ; 28 cm. ISBN: 9788177223729 (pbk) 8177223720 Subjects--Topical Terms: Research--Survey research--Qualitative measure --Design --Analysis--RCRS--RIPS Dewey Class. No.: 150.72 / TRO