State certification as a factor in the training of elementary teachers-in-service
By: William Allison Yeager.
Publisher: Kutztown Publishing Co.
Published: 1929
Place of publication: Kutztown, Pa
Language: eng
Number of pages: 350
Subjects: Teachers -- Pennsylvania.; Teachers -- Training of -- Pennsylvania.
Notes: Bibliography: p. 330-332.
Thesis (Ph. D.)--University of Pennsylvania, 1929.