Kumar, Ranjit. Research methodology : a step-by-step guide for beginners / Ranjit Kumar. - 5th edition. - xx, 470p. : ill. ; 19x24cm. ISBN: 9781526449900 (pbk.) 9781526449894 (hardback) LCCN: 2018952089 Subjects--Topical Terms: Research--MethodologyMethodology LC Class. No.: H62 / .K86 2019