Dediyagala, Nanda Research methodology for management a graduate student handbook - Colombo S. Godage 1998 - 192 p. ISBN: 9552024595 Subjects--Topical Terms: BOOKS BOX B1940GENERALITIESKNOWLEDGEManagementQUALITATIVERESEARCHRESEARCH METHODOLOGY Dewey Class. No.: 001.42 B1940 LDC / DED