Mudassar Abbasi, Dr. Muhammad, Tayyiba Kausar, and Akramul Hoque. “INVESTIGATING THE FACTORS THAT INFLUENCE ANGER AND FRUSTRATION OF THE CUSTOMERS”. The journal of contemporary issues in business and government 28, no. 4 (December 31, 2022): 833–849. Accessed November 27, 2024. https://cibgp.com/au/index.php/1323-6903/article/view/2569.