Каптерев о презентациях

[triampurum]

http://www.kapterev.com/blog/2018/03/21/%D0%BE%D0%B4%D0%BD%D0%B0-%D0%BC%D1%8B%D1%81%D0%BB%D1%8C-%D0%BD%D0%B0-%D1%81%D0%BB%D0%B0%D0%B9%D0%B4/