00558cam a22002171 4500 sa 66000049 DLC 20260227112212.0 740906s1965 ii 000 0 eng sa 66000049 GB65-17235 (OCoLC)999600 DLC OTU OCoLC Uk DLC premarc HM101 .K77 Krishna, Daya. Considerations towards a theory of social change. Bombay, Manaktalas [c1965] 196p., 23cm Social change 67005 67005