Douglas E. Cruikshank

发表

Sorting, Classifying, and Logic.

Douglas E. Cruikshank, 1974 .

Sorting, Classifying, & Logic

Douglas E. Cruikshank, 1974 .

Teaching and Learning Mathematics: Pre-Kindergarten through Middle School

Douglas E. Cruikshank, L. Sheffield, 2004 .

Non-Decimal Instruction Revisited

Douglas E. Cruikshank, W. R. Arnold, 1969, The Elementary School Journal.