Journal of East China Normal University(Educational Sciences) ›› 2001, Vol. 19 ›› Issue (4): 32-52.doi: 10.16382/j.cnki.1000-5560.2001.04.005

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Daivd K Cohen, Stephen W Reudenbush, Deborah L Ball   

  • Online:2001-12-01 Published:2022-10-10