Clark, J. R., & Eads, L. K. (1954). Guiding arithmetic learning.
Chicago Edition CitationClark, John R., and Laura K. Eads. Guiding Arithmetic Learning. 1954.
MLA Edition CitationClark, John R., and Laura K. Eads. Guiding Arithmetic Learning. 1954.
Warning: These citations may not always be 100% accurate.