Sitanggang, R. ., H. Tiawon, and D. . Beatris. “E-Money and Card Payment Instruments Affect Money Speed in Indonesia”. Journal Magister Ilmu Ekonomi Universtas Palangka Raya : GROWTH, vol. 10, no. 2, Dec. 2024, pp. 55-63, doi:10.52300/grow.v10i2.18990.