海量图书期刊资源,随时随地畅享阅读乐趣
The Elementary College German Text 1958-1968Guenter G. Pfister and John M. Troyanovich · Die Unterrichtspraxis / Teaching German · 1971
Optimal Instructional Quality in Multi-Section TeachingJohn M. Troyanovich · Die Unterrichtspraxis / Teaching German · 1968
First Anniversary Issue || Is Writing Really Necessary in the Intermediate Course?John M. Troyanovich · Die Unterrichtspraxis / Teaching German · 1969