5⃣http://bookboon.com/ دایرکتوری بسیار بزرگی از کتب الکترونیکی قابل دانلود در زمینه‌های مختلف علمی از قبیل مهندسی کامپیوتر و آی تی، آمار و ریاضی، علوم طبیعی، برنامه‌نویسی، مهندسی، مدیریت و حسابداری است.
5⃣http://bookboon.com/ دایرکتوری بسیار بزرگی از کتب الکترونیکی قابل دانلود در زمینه‌های مختلف علمی از قبیل مهندسی کامپیوتر و آی تی، آمار و ریاضی، علوم طبیعی، برنامه‌نویسی، مهندسی، مدیریت و حسابداری است.
"There are several million Russians who can lift their head up from propaganda and try to look for other sources, and I'd say that most look for it on Telegram," he said. The Securities and Exchange Board of India (Sebi) had carried out a similar exercise in 2017 in a matter related to circulation of messages through WhatsApp. In addition, Telegram's architecture limits the ability to slow the spread of false information: the lack of a central public feed, and the fact that comments are easily disabled in channels, reduce the space for public pushback. In a message on his Telegram channel recently recounting the episode, Durov wrote: "I lost my company and my home, but would do it again – without hesitation." But the Ukraine Crisis Media Center's Tsekhanovska points out that communications are often down in zones most affected by the war, making this sort of cross-referencing a luxury many cannot afford.
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