Chawla , Deepak. Research Methodology Concepts and cases - 2nd Ed. - Noida Vikas Publishing House Pvt.Ltd. 2016 - x, 789 p. 27 cm. Text in English ISBN: 9789325982390 Subjects--Facted Index Terms: MAN Index Terms--Genre/Form: 25H Dewey Class. No.: 001.42 / CHA/SON