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A vision of conservation from school |
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| Authors: | JOSÉ ANTONIO LÓPEZ TERCERO CAAMAÑO |
| Institution: | Instituto Escuela, Estero 3, Jardines del Pedregal CP 04500, Coyoacán, México, D.F., email joseantoniolt@prodigy.net.mx |
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| 本文献已被 PubMed 等数据库收录！ | |