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| LEADER |
00668nam a2200181 a 4500 |
| 008 |
050201s2000||||es |||||||||||||||||spa|| |
| 942 |
|
|
|c BK
|
| 041 |
|
|
|a spa
|
| 082 |
|
|
|a C.N.
|b 372.7 O77o
|
| 100 |
|
|
|a Ortíz Berríos, Ruth Anabella
|
| 110 |
|
|
|a Universidad de El Salvador
|
| 245 |
|
|
|a Orientación y refuerzo matemático a los/as alumnos/as del Centro Escolar "La Paz"
|
| 260 |
|
|
|a San Salvador :
|b UES,
|c 2000
|
| 300 |
|
|
|a 15 h
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| 500 |
|
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|a Memoria de Servicio Social
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| 650 |
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|a MATEMATICA-ENSEÑANZA
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| 999 |
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| 952 |
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|8 CN
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|i 14006152
|o 372.7 O77o
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|w 2012-08-15
|y BK
|