تعداد ۱ پاسخ غیر تکراری از ۱ پاسخ تکراری در مدت زمان ۲,۳۰ ثانیه یافت شد.

1. World resources and industries

پدیدآورنده : Erich W. Zimmermann

کتابخانه: State Department Library (Tehran)

موضوع : Commercial geography,Natural resources,Industries,Agriculture - Economic aspects,Economic geography

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