LIBROS DEL AUTOR: jean keow

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  • Katy’s Science Adventures Book 3
    Jean Keow
    Jean believes that basic science and technology can help to lay the foundation for 'green' application like, using less harmful chemical alternatives or developing sustainable fisheries and agriculture, or making water safe to drink like the Procter & Gamble (P&G) scientists who have developed water purifier powder for the Children’s Safe Drinking Water Program https://csdw.org...
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    33,53 €