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20110720143301.0 |
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920825s1972 xxu ||||| eng |
| 035 |
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|a 49914
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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|a eng
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|a 507
|b K84s
|2 00
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|a Koran, John Joseph
|d 1937-
|e Autor/a
|4 aut
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|a A Summary of research in science education for the years of 1968-69 college level science /
|c by John J, Koran. --
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|a Columbus :
|b Ohio State University ERIC Information Analysis Center for Science Education,
|c 1972.
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|a 69 páginas ;
|c 28 cm.--
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|a Science education information reports
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| 650 |
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|a CIENCIA
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| 949 |
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|a --YV
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| 916 |
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|a Registros del LS-2000
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