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[1]
 http://www.plandecenal.edu.co Last accessed : 2017/11/30
| 2017
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[2]
 http://ecahe.eu Last accessed : 2014/09/23
| 2013
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[3]
 http://www.mineducacion.gov.co Last accessed : 2011/04/20
| 2011
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[4]
| 2004
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[5]
| 2002
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[6]
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[7]
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[8]
| 2001
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[9]
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[10]
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Records 1 to 10 out of 13 |  1 2  |
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