تعداد ۱ پاسخ غیر تکراری از ۱ پاسخ تکراری در مدت زمان ۴,۹۴ ثانیه یافت شد.

1. Arbeit, leistung, wirkungsgrad

پدیدآورنده : / von Alois Koller

کتابخانه: Central Library and Archive Center of shahid Beheshti University (Tehran)

موضوع : Mechanics - Programmed instruction,Mechanical efficiency - Programmed instruction

رده :

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