Chawla, Deepak Research methodology : concepts and cases / by Deepak Chawla and Neena Sondhi - 2nd ed . - Noida : Vikas Publishing House, 2016. - xxx, 789 p. ; 26 cm. ISBN: 9789325982390 Subjects--Topical Terms: Research methodology Dewey Class. No.: BB 001.42 / CHA N