Children's thinking in the process of subtraction /
by Elizabeth Glenadine Gibb.
APA Citation
Gibb, E. Glenadine. (1953). Children's thinking in the process of subtraction. .
MLA Citation
Gibb, E. Glenadine. Children's Thinking In the Process of Subtraction. , 1953.
Warning: These citations may not always be complete (especially for serials).