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  1. 1
    Validation of learning package in chemistry based on education for sustainable development among secondary school students with regard to select environmental variables/
    af Lalamani P
    Udgivet 2013
    Få fuldtekst
    Ph.D Thesis
  2. 2
    Emerging in teaching chemistry /
    af Ratho, T.N
    Udgivet 2007
    Printed Book
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