An experiment in teaching critical thinking in the intermediate grades
Published: 1959
Language: eng
Format: Microform
Number of pages: 154
Subjects: Child psychology; Thought and thinking
Notes: Thesis (Ph.D.) - University of Pennsylvania, 1959.

Bibliography: leaves x-xvi.

Microfilm. Ann Arbor, Mich. : University Microfilms, 1959. -- 1 reel ; 35 mm.