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Are you Ricardo Ayerza, author of the books below?
Chia by Ricardo Ayerza Ganadería En Tierras Áridas. Oportun. Productiva Sustentable by Ricardo Ayerza Chia, a pre-Columbian crop today by Ricardo Ayerza Jojoba, ecology and development in the Sonoran Desert by Ricardo Ayerza Chia by Ricardo Ayerza


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