Octavia, G., and M. Ramadhan. “The Effect of Ease of Use and Perceived Value on User Loyalty of the DANA E-Wallet in Singkawang City With User Satisfaction As an Intervening Variable”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE), Vol. 9, no. 1, Apr. 2026, pp. 9374-88, doi:10.31538/iijse.v9i1.9899.