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|a Sistema Bibliotecario Universidad de El Salvador
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|a Tobar de Chamorro, Ruth Elizabeth
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|a Medidas de dispersión /
|c Ruth Elizabeth Tobar de Chamorro, María Fulvia León de Pérez, José Roberto Vega Lemus
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| 246 |
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|a Matemática 2, tercer ciclo de Educación Básica
|
| 260 |
|
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|a San Salvador :
|b UCA Editores,
|c 1998.
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| 300 |
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|a 22 p. ;
|c 22 cm.
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| 490 |
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|a Colección Textos universitarios. Fascículo ;
|v 27
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| 650 |
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|a Dispersión (Matemática)
|2 lemb
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