“... that was applied research, in addition to being bibliographic by the implementation of the state of the art...”
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“... in the research was non-experimental design, of descriptive, and bibliographic type, it was taken as a population...”
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“..., methodologically their design was non-experimental, by the descriptive, field, bibliographic, correlational...”
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“..., bibliographic and cross-sectional research with a descriptive and correlational level. The population was 32...”
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“... qualitative approach with a non-experimental design, with an exploratory level, with a type of bibliographic...”
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“..., analytic-synthctic; with a rcscarch dcsign non-experimental, the typc of invcstigalion was bibliographic...”
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“... it was transversal, by the field it was on field and bibliographic. The population was made up by the students...”
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