Dafa Efendi, R., T. Mulyati, and Ahadiati Rohmatiah. “Influence of Ease of Use, Service Features, and Promotion on the Intensity of DANA E-Wallet Usage (A Study on Students of Universitas Merdeka Madiun)”. International Journal of Business and Quality Research, Vol. 4, no. 02, June 2026, pp. 1109-20, doi:10.63922/ijbqr.v4i02.4640.