00518nam a2200181 a 450000100060000000300080000600500170001400800410003103500190007204000270009104100080011808200320012610000310015824500530018926000460024230000210028861000270030946339BD-RjUL20211209054134.0160801s1956    enk           000 0 eng    a(BD-RjUL)46457  aDLCcZLMdBD-RjULbeng  aeng  223bTHC 1956a303.4091712411 aThompson, Laurence d1914-14aThe challenge of change /cby Laurence Thompson.  aLondon :bOxford University Press,c1956.  a127 p. ;c18 cm.20aCommonwealth countries