Sabbah Khan, Noor Us, and Yunus Yildiz. “Impact of Intangible Characteristics of Universities on Student Satisfaction”. Amazonia Investiga 9, no. 26 (February 21, 2020): 105–116. Accessed September 13, 2025. https://mail.amazoniainvestiga.info/index.php/amazonia/article/view/1122.