Sharifah Hayaati Syed Ismail al-Qudsy, Madihatun Zainuddin, and Pg Siti Rozaidah Pg Hj Idris, “Public Complaint in Islamic Management: Its Relationship with Customer Satisfaction Achievement”, km, vol. 42, no. 1, p. 167‒186, Apr. 2024, doi: 10.21315/km2024.42.1.8.