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    [0] => stdClass Object
        (
            [journal] => stdClass Object
                (
                    [id_jnl] => 67
                )

        )

    [1] => stdClass Object
        (
            [section] => stdClass Object
                (
                    [section] => 1094
                )

        )

    [2] => stdClass Object
        (
            [title] => Array
                (
                    [0] => Development of Specialized Electronic Information Resources in the General Directory for Libraries@en
                    [1] => El desarrollo de recursos electrónicos de información especializada en la Dirección General de Bibliotecas@es
                )

        )

    [3] => stdClass Object
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                    [0] => This paper presents an overview of the development of specialized electronic resources that has been ca- rried out in the Division of Specialized Information Services at the Directorate General of Libraries of the National Autonomous University of Mexico (UNAM), from 1997, in order to support its research and teaching activities. For better understanding, this document has been divided into 6 sections: Introduction. 1. Journals and Databases. 2. eBooks. 3. Web scale discovery tool. 4. Digital Preservation. 5. The National Consortium of Scientific and Technological Information Resources (conricyt)@en
                    [1] => En este trabajo se presenta un panorama general del desarrollo de recursos electrónicos de información especializada para apoyar las actividades de investigación y docencia que ha llevado a cabo la Subdirección de Servicios de Información Especializada (ssie) de la Dirección General de Bibliotecas (DGB) de la UNAM a partir del año 1997. Para su mejor comprensión el documento se dividió en seis apartados: Introducción. 1. Revistas y bases de datos. 2. Libro electrónico. 3. Descubridor de información. 4. Preservación Digital. 5. Consorcio Nacional de Recursos de Información Científica y Tecnológica (conricyt).@es
                )

        )

    [4] => stdClass Object
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            [author] => Array
                (
                    [0] => Alma Silvia Díaz Escoto
                    [1] => Ma. Esther Ramírez Godoy
                    [2] => Julio Zetter Leal
                )

        )

    [5] => stdClass Object
        (
            [subject] => Array
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                    [0] => Electronic resources@en
                    [1] => Specialized information@en
                    [2] => Digital preservation@en
                    [3] => Consortium@en
                    [4] => Unam@en
                    [5] => Recursos electrónicos@es
                    [6] => Información especializada@es
                    [7] => Preservación digital@es
                    [8] => Consorcio@es
                    [9] => Unam@es
                )

        )

    [6] => stdClass Object
        (
            [source] => stdClass Object
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                    [vol] => 19
                    [nr] => 1
                    [year] => 2016
                    [theme] => 
                )

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    [7] => stdClass Object
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                (
                    [0] => 2016-06-01
                )

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    [8] => stdClass Object
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            [DOI] => Array
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                    [0] => stdClass Object
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                            [type] => DOI
                            [value] => Array
                                (
                                    [0] => 10.22201/dgb.0187750xp.2016.1.138
                                )

                        )

                )

        )

    [9] => stdClass Object
        (
            [http] => Array
                (
                    [0] => stdClass Object
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                            [type] => HTTP
                            [value] => Array
                                (
                                    [0] => https://bibliotecauniversitaria.dgb.unam.mx/rbu/article/view/138
                                )

                        )

                    [1] => stdClass Object
                        (
                            [type] => HTTP
                            [value] => Array
                                (
                                    [0] => https://bibliotecauniversitaria.dgb.unam.mx/rbu/article/view/138/129
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        )

    [10] => stdClass Object
        (
            [language] => Array
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                    [0] => es
                )

        )

    [11] => stdClass Object
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