نقش ادب در عرصه مدیریت و رهبری

«تفاوت مدیریت و رهبری» نقش واقعی رهبران چیست؟

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روش‌‌های پیشگیری از اعتیاد و نقش مدیریت شهری در عرصه پیشگیری

Addiction to drugs and psychoactive drug in the society, especially among young people, is one of the country's complex social problems. The fight against the drug enforcement programs to prevent of damage and immune of families, business and educational environments and local districts is located as national strategic documents and future programs in the development programs. Addiction phenome...

Degenerate Four Wave Mixing in Photonic Crystal Fibers

In this study, Four Wave Mixing (FWM) characteristics in photonic crystal fibers are investigated. The effect of channel spacing, phase mismatching, and fiber length on FWM efficiency have been studied. The variation of idler frequency which obtained by this technique with pumping and signal wavelengths has been discussed. The effect of fiber dispersion has been taken into account; we obtain th...

«تفاوت مدیریت و رهبری» نقش واقعی رهبران چیست؟

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روانشناسی مدیریت در آثار ادب فارسی