Ability grouping in the junior high school
By: by Heber Hinds Ryan, and Philipine Crecelius; with an introduction by James M. Glass.
Contributors: Grecelius, Philipine, joint author.
Publisher: Harcourt, Brace and company
Published: 1927
Place of publication: New York
Language: eng
Number of pages: 223
Subjects: Ability.; Junior high schools.; Grading and marking (Students)
Notes: Bibliography: p. 203-218.