تعداد ۱ پاسخ غیر تکراری از ۱ پاسخ تکراری در مدت زمان ۴,۹۵ ثانیه یافت شد.

1. Agricultural research and productivity

پدیدآورنده : / by Robert E. Evenson and Yoav Kislev,Evenson

کتابخانه: Central Library and Documents Center of Tehran University (Tehran)

موضوع : Agricultural research -- Economic aspects -- Mathematical models,Agriculture -- Economic aspects -- Mathematical modles

رده :

S

540

.

A2E9

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