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Cognitive and social factors underlying infants' smiling and laughter during the peek-a-boo game.

LIBRA Microfilm P38:1985
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LIBRA Diss. POPM1985.130
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Van Pelt Library BF001 1985 .P263
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Format:
Author/Creator:
Language:
English
Subjects (All):
Local Subjects:
Physical Description:
xii, 168 leaves : illustrations ; 29 cm
Production:
1985.
Notes:
  • Thesis (Ph.D. in Psychology)--Graduate School of Arts and Sciences, University of Pennsylvania, 1985.
  • Includes bibliography.
Local Notes:
University Microfilms order no.: 85-15434.
OCLC:
244898064

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