اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
Author: Judd, Charles Hubbard, 1873-1946
LoC No.: 18014215
Title: Introduction to the scientific study of education
Language: English
LoC Class: LB: Education: Theory and practice of education
Subject: Education
Subject: School management and organization
Release Date: Apr 2, 2018
Copyright Status: Public domain in the USA.
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