00527cam a22001577a 4500008004000000082001400040100001900054245008400073260003900157300001300196650001500209650002000224650002100244999001900265952008500284180718b1971   xxu||||| |||| 00| 0 eng d  aB084 D922  aDunn, Edgar S.  aEconomic and social development: a process of social learningcby Edgar S. Dunn  aBaltimorebThe Johns Hopkinsc1971  axv, 327p  aImitation.  aSocial learning  aSocial evolution  c416434d416434  00104070aIIPAbIIPAd2009-03-17oB084 D922p46572r2018-07-21w2018-07-21yBK