https://cida2020.ieu.edu.tr/index.php/session_category/how-to-prepare/https://cida2020.ieu.edu.tr/index.php/session_category/introduction/https://cida2020.ieu.edu.tr/index.php/session_category/marketing/https://cida2020.ieu.edu.tr/index.php/session_category/production/