Ekaterina Yanzhul Amerikanskaya shkola. Ocherki metodov amerikanskoy pedagogii.1905, 1920 god./Catherine Yanjul American School. Essays on American Teaching Methods. 1905, 1920. - landofmagazines.com

TransliterationEkaterina Yanzhul Amerikanskaya shkola. Ocherki metodov amerikanskoy pedagogii.1905, 1920 god.

In EnglishCatherine Yanjul American School. Essays on American Teaching Methods. 1905, 1920.

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