Abdul Majid, Mohd Aliff, Rojiei, Amar Maarof, Mat Shafii, Nursyafiqah Aina, Abd Ghoni, Nurul Najihah, AND Hassan, Hafizah. " Factors Influencing Customer Satisfaction at Fast Food Restaurant in Klang Valley, Malaysia" International Journal of Advanced Research in Economics and Finance [Online], Volume 3 Number 3 (1 November 2021)