Search Results - Portillo, Roberto Herbert

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    Diseño de un modelo de simulación de tráfico vehicular en un sector del área metropolitana de San Salvador / by Castro Tobar, Luis Armando

    Published 1997
    Other Authors: “…Portillo, Roberto Herbert…”
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    Thesis Book

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    Estudio de factibilidad técnica y económica del desarrollo del sector turismo en El Salvador / by Aguirre Cardona, Karla Ivette

    Published 1998
    Other Authors: “…Portillo, Roberto Herbert…”
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    Indicadores de competitividad aplicados a las pequeñas y medianas empresas del sector alimenticio by Alegría Monge, Dinora Beatríz

    Published 2004
    Other Authors: “…Portillo, Roberto Herbert…”
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