Graded units in student-teaching /
by Hung Clark Pryor
- New York : AMS Press Inc., 1972
- vi, 114 p. : ill. ; 22 cm.
- Contributions to education ; no. 202. .
- Contributions to education ; no. 202. .
Reprint of the 1926 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 202. Originally presented as the author's thesis, Columbia.