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katharine d barrett
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Botany on your plate
Katharine D. Barrett · National Gardening Association
88 sayfa · 2008
Study and teaching (Elementary) / Plants / Botany / Food
Math in the Garden
Jennifer M. White, Katharine D. Barrett, Jaine Kopp, Christine Manoux, Katie Johnson · KidsGardening.org
Sayfa sayısı yok · 2006
Education / Gardening