Adler, Emily Stier Clark, Roger How it is Done ; An Invitation to Social Research - Thomson, United State;: 2003. - xvi,583 p. : 26 cm ISBN: 053458814x Nat. Bib. Agency Control No.: 302.072 ADI Subjects--Topical Terms: Social Interaction / සමාජ අන්තර්ක්රියාකාරිත්වය Dewey Class. No.: 302.072