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| LEADER |
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|a Alvarenga de Romero, Francisca
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|a Concentración geográfica de la actividad comercial en la economía salvadoreña
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| 260 |
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|a San Salvador :
|b Universidad Centroamericana José Simeón Cañas,
|c 1983
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| 300 |
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|a 133 h.
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| 502 |
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|a Tesis (Lic. en Economía) -- Universidad Centroamericana José Simeón Cañas
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