An approach to the development and assessment of instruction in science at the first grade level
Subtitle: the concept of a particulate model for matter.
By: Kenneth Michael Hibbard.
Format: Microform
Number of pages: 444
Subjects: Education, Primary -- Curricula.; Science -- Study and teaching (Primary).
Notes: UMI # 71-29255.

Thesis (Ph. D. )--Cornell University, 1971.

Bibliography: leaves 150-152.