https://moodle.znu.edu.ua/pluginfile.php/116531/mod_glossary/intro/%D0%A2%D0%95%D0%A0%D0%9C%D0%86%D0%9D%D0%9E%D0%9B%D0%9E%D0%93%D0%86%D0%A7%D0%9D%D0%98%D0%99%20%D0%A1%D0%9B%D0%9E%D0%92%D0%9D%D0%98%D0%9A.pdf