Six arithmetic textbook series have been analyzed with respect to the following eight fundamental aspects of their drill provisions.
Proceedings of the Iowa Academy of Science
©1927 Iowa Academy of Science, Inc.
Lutes, O. S.
"Psychology of Drill Organization in Arithmetic Textbooks,"
Proceedings of the Iowa Academy of Science, 34(1), 299-300.
Available at: https://scholarworks.uni.edu/pias/vol34/iss1/94