LIBROS DEL AUTOR: riley o johnson

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  • One Hundred Experiments in Elementary Agriculture for California Schools
    Riley O Johnson
    'One Hundred Experiments in Elementary Agriculture for California Schools' is a practical guide designed to introduce young students to the fundamentals of agriculture through hands-on experimentation. Authored by Riley O Johnson, this book offers a series of straightforward experiments tailored for the California climate and educational system. This book provides educators wit...
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    14,72 €