| Interview in Barcelona |
Writing |
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| Fourth Interview of Rubén Feldman González by Karina Jimenez |
Writing |
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| Fragment of a TV interview on Channel 8 - Matagalpa, Nicaragua |
Writing |
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| What is Unitary Perception? Interview with Rubén Feldman González |
Video |
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| Interview with Rubén Feldman González by Ignacio Rodriguez |
Writing |
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