آشنایی با پایگاههای اطلاعاتی و تامین منابع علمی

آشنایی با پایگاههای اطلاعاتی و تامین منابع علمی

آشنایی با پایگاههای اطلاعاتی و تامین منابع علمی Telegram | DID YOU KNOW?

Artem Kliuchnikov and his family fled Ukraine just days before the Russian invasion. READ MORE What distinguishes the app from competitors is its use of what's known as channels: Public or private feeds of photos and videos that can be set up by one person or an organization. The channels have become popular with on-the-ground journalists, aid workers and Ukrainian President Volodymyr Zelenskyy, who broadcasts on a Telegram channel. The channels can be followed by an unlimited number of people. Unlike Facebook, Twitter and other popular social networks, there is no advertising on Telegram and the flow of information is not driven by an algorithm. And indeed, volatility has been a hallmark of the market environment so far in 2022, with the S&P 500 still down more than 10% for the year-to-date after first sliding into a correction last month. The CBOE Volatility Index, or VIX, has held at a lofty level of more than 30. The Dow Jones Industrial Average fell 230 points, or 0.7%. Meanwhile, the S&P 500 and the Nasdaq Composite dropped 1.3% and 2.2%, respectively. All three indexes began the day with gains before selling off.
آشنایی با پایگاههای اطلاعاتی و تامین منابع علمی from sa

آشنایی با پایگاههای اطلاعاتی و تامین منابع علمیحسین عاطفی
کارشناس ارشد منابع اطلاعاتی
مدرس کارگاه آموزشی پایگاههای اطلاعاتی و شیوه های دسترسی به منابع معتبر علمی و رییس سابق کتابخانه مرکزی دانشگاه
تلفن همراه: ۰۹۱۴۴۰۲۷۲۹۹
ایمیل:
[email protected] , [email protected]
ادرس تلگرام :
@SUT_library

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