Activities of the elementary school principal for the improvement of instruction : the kind of supervisory program which a city superintendent of schools should set up for his elementary school principals / by Willam Penn Dyer. 1st AMS ed.
Activities of the elementary school principal for the improvement of instruction : the kind of supervisory program which a city superintendent of schools should set up for his elementary school principals / by Willam Penn Dyer.
Reprint of the 1927 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 274.Originally presented as the auth...