Kothari, C.R. Research methodology : Methods and techniques / by C.R. Kothari and Gaurav Garg - 3rd ed. - New Delhi: New Age International Ltd. Publishers, 2016. - xx, 449p. ISBN: 9788122436235 Subjects--Topical Terms: Computer scienceHypothesisResearch methodologyResearch problem Dewey Class. No.: 001.42 / KOT/R