Abilities of first grade pupils to learn mathematics in terms of algebraic structures by teaching machines.
By: Robert C. Crawford, project consultant.
Publisher: University of California
Published: 1961
Place of publication: Los Angeles
Language: eng
Number of pages: 109
Subjects: Algebra -- Programmed instruction.; Algebra -- Study and teaching (Primary)
Notes: Bibliography:  leaves [80]-82.
"Project carried out in contract with the Cooperative research program, U. S. Office of Education, Washington, D.C. Project SAE 8998, number 1090."