YAPRAKLI T Şükrü, GÜL B. THE EFFECT OF SERVICE QUALITY OF GSM OPERATORS CALL CENTERS ON BRAND LOYALTY. Al Farabi Uluslararası Sosyal Bilimler Dergisi [Internet]. 2019 Sep. 30 [cited 2024 Sep. 19];4(3):48-62. Available from: https://alfarabijournal.com/index.php/pub/article/view/153