“.... This investigation was based on bibliographical research and surveys to Americans...”
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“..., it is decided to make an investigation with two main cores. The first core is bibliographical and the second one...”
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“... on Hydraulic Concrete and this analysis was based on two forms: bibliographical research and visits...”
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“... the ages of 15 and 19, from June to December 2016. As scientific support, Bibliographical references...”
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“.... The research is exploratory, descriptive, explanatory and bibliographical type, the design is quasi...”
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“... habitants through a bibliographical research and technical interviews, which guarantee the consumption...”
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“... bibliographical sources (fountains) reached for the development of the same one. - The aim (lens...”
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“... bibliographical research in order to contribute to the solution of the problem, without attempting to become...”
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“...The present investigation is a bibliographical, statistical review and of precedents gathered...”
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“... the interview instrument was applied; through which doctrines, theories, concepts and bibliographical articles...”
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“... sector as a tool to minimize risks. The study covered a bibliographical and field research, with a...”
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“... in bibliographical documental...”
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“... of the Entrepreneurial Unit of Orense used didactic resources and bibliographical sources that were not relevant...”
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“... of bibliographical sources, there was identified that the radio diversified his way of reporting and of approaching...”
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“... sector of the Metropolitan District of Quito. Through an exploratory and bibliographical study...”
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“... that are benefits for industries. This research is a bibliographical compilation, moving to a field research...”
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“... is to determine the tax deductibility of the expenses. Applied research is a bibliographical type, of primary...”
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“... the research bibliographical, documentary, social intervention, of field. The research is descriptive...”
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