6de0293fde13909da4851a0f141bc8be  edlc_a2009nExtrap2250.pdf
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536ca961f7d3bb799c24b13020b451667639543f9b1e34508cba1a9e5cab9f27  edlc_a2009nExtrap2250.pdf

Title:          EL TRATAMIENTO DE LA SOSTENIBILIDAD EN LOS LIBROS DE TEXTO DE CIENCIAS: ¿AYUDA U OBSTÁCULO PARA AVANZAR EN ESE SENTIDO?
Author:         EDWARDS SCHACHTER, M.
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