https://acikders.ankara.edu.tr/pluginfile.php/29871/mod_page/content/1/DERS%20%C4%B0%C3%87ER%C4%B0K%20FORMU-Sendikac%C4%B1l%C4%B1k%201-2017-18-Erc%C3%BCment%20%C3%87elik%20%281%29.docx