Putri Deswara, N. ., and A. . Suyanto. “The Influence of E-Service Quality and Sales Promotion on Customer Satisfaction Mediated by Purchase Decisions and Their Impact on Customer Loyalty”. International Journal of Economics, Management and Accounting (IJEMA), vol. 1, no. 5, Oct. 2023, pp. 317-24, doi:10.47353/ijema.v1i5.61.