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|a NEW trends in integrated science teaching :
|b Tendances nouvelles de l'intégration des enseignements scientifiques : v. I 1969-70 /
|c prepared by P. E. Richmond.
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|a París :
|b Unesco,
|c 1971
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|a Bibliografía al final de algunos trabajos presentados.
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|a 370.13
|2 20 ES
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|a CIENCIA-ENSEÑANZA
|2 LEMB.1
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|a Richmond, P. E..
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|a United Nations Educational, Scientific and Cultural Organization - UNESCO
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|a The Teaching of basic sciences. L'enseignement des sciences fondamentales
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|a The Teaching of basic sciences. L'enseignement des sciences fondamentales
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|a 381 p.
|b il., diagrs.
|c 27 cm.
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|c AR-RiUNS
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|c LIBRO
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|c 7488
|d 7488
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