Сілтеме: https://moodle.enu.kz/pluginfile.php/253376/mod_lesson/intro/%D0%94%D3%99%D1%80%D1%96%D1%81%2011n.pdf
презентация:
https://moodle.enu.kz/pluginfile.php/253376/mod_lesson/intro/11-%D0%B6%D0%BE%D0%BB%D0%B4%D0%B0%D1%80.ppsx
