Composite scales of morninghess and preferences : preliminary validity data in Peruvian undergraduates

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      <subfield code="a">Composite scales of morninghess and preferences : preliminary validity data in Peruvian undergraduates</subfield>
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      <subfield code="g">Vol. 48, nº 4, 15 March 2005 ; p. 354-363</subfield>
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