Arithmetical abilities and some factors determining them
By: by Cliff Winfield Stone, PH.D.
Series: Columbia university contributions to education. Teachers college series -- no. 19.; Contributions to education -- no. 19.
Publisher: Teachers College, Columbia University
Published: 1908
Place of publication: New York
Language: eng
Number of pages: 101
Subjects: Arithmetic -- Study and teaching; Educational tests and measurements