Todos los 2 Helga Behrendt lanzamientos en Paperback... Book
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![Cover for Helga Behrendt · Research in Science Education - Past, Present, and Future (Paperback Book) [Softcover reprint of the original 1st ed. 2001 edition] (2010)](https://imusic.b-cdn.net/images/item/original/313/9789048156313.jpg?helga-behrendt-2010-research-in-science-education-past-present-and-future-paperback-book&class=scaled&v=1477568213)
![Cover for Helga Behrendt · Research in Science Education - Past, Present, and Future (Hardcover Book) [2001 edition] (2001)](https://imusic.b-cdn.net/images/item/original/550/9780792367550.jpg?helga-behrendt-2001-research-in-science-education-past-present-and-future-hardcover-book&class=scaled&v=1477568213)