analysis of learning efficiency in arithmetic of mentally retarded children in comparison with children of average and high intelligence
By: [by] Herbert J. Klausmeier, John Feldhusen [and] John Check
Publisher: School of Education, University of Wisconsin
Published: 1959
Place of publication: [Madison]
Language: eng
Number of pages: 168
Subjects: Children with mental disabilities -- Education; Arithmetic -- Study and teaching (Elementary)
Other titles: Learning efficiency in arithmetic of mentally retarded children
Notes: Cover title

Bibliography: leaves 130-134