A survey of the sources and extent of primary grade children's concepts of elementary astronomy. --.
Published: 1963
Language: eng
Number of pages: 306
Subjects: Astronomy -- Study and teaching (Elementary); Concept learning; Outer space -- Study and teaching
Notes: Thesis (Ph.D.)--University of Colorado, 1963

Includes bibliographical references (leaves [273]-277)

Microfilm-xerography reprint of typewritten ms. Ann Arbor, Mich. : University Microfilms, 1972