Hayati, Suci. “Effects of Using the ISO 9001: 2015 Quality Management System on Customer Satisfaction With Quality Mediation Services at Sharia Bank”.
International Journal of Psychosocial Rehabilitation 24, no. 1 (February 29, 2020): 5236–5241. Accessed April 6, 2025.
https://psychosocial.com/PSY/index.php/ijpr/article/view/854.