00653am  a2200193a 44500003000900000005001700009008004100026040001300067100001800080245006100098260010300159300001600262504005200278650003200330650002500362651001900387653002500406653002800431AR-BaBNM20251128211051.0222020s1970    #AR|||||||||||000 | ing||  cAR-BaBNM1 aWittes, Simon10aPeople and powerba study of crisis in secundary schools  aMichiganbUniversity of Michigan. Center for research on utilization of scientific knowledgec1970  avii, 106 p.  aContiene referencias bibliográficas p. 95-102 4aRESULTADOS DE INVESTIGACION 4aORGANIZACION ESCOLAR 4aEstados Unidos  aEDUCACION SECUNDARIA  aINVESTIGACION EDUCATIVA