(1931). Second report on progress in manchuria to 1930. Dairen: South Manchuria Railway.
Trích dẫn kiểu ChicagoSecond Report On Progress in Manchuria to 1930. Dairen: South Manchuria Railway, 1931.
Deismireacht MLASecond Report On Progress in Manchuria to 1930. Dairen: South Manchuria Railway, 1931.
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