Chawla, Deepak Research methodology : concept and cases / by Deepak chawala and Neena Sondhi - 2nd. - New Delhi ; Vikas publishing house pvt. Ltd., 2016. - xxx, 789p. : ill. ; 27 cm. Include index. ISBN: 9789325982390 Subjects--Topical Terms: Research Dewey Class. No.: 001.42 / CHA/R