L. Septiningrum, N. Agustanta, M. Ahdiyana, H. Wahyu Widianto, and A. Pambudi, “The Theoretical Framework of Cashless Payment Systems in Indonesia: Analyzing Condition in Different Era’s ”, J. Natapraja: kajian Ilmu Adm. Neg., vol. 12, no. 1, pp. 25–42, May 2025.