The effect of checked directed study upon achievement in ninth grade algebra
By: by Sister Robertine Weiden.
Publisher: Johns Hopkins Press
Published: 1945
Place of publication: Baltimore
Language: eng
Number of pages: 87
Subjects: Algebra -- Study and teaching; Mental tests
Notes: Bibliography: p. 74-82.
Thesis (Ed. D.)--Johns Hopkins University, 1941.
"Reprinted from 'The Johns Hopkins university studies in education,' number 34."
Vita.