• 

  e-journal International Journal of Action Research IJAR

  http://www.hampp-verlag.de/hampp_e-journals_IJAR.htm#115

  International Journal of Action Research, Rainer Hampp Verlag

• 

  e-journal International Journal of Action Research IJAR

  http://www.hampp-verlag.de/hampp_e-journals_IJAR.htm

  International Journal of Action Research, Rainer Hampp Verlag

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