Dio Putra Adiansah, et al. “The Effectiveness of the National Digital Samsat Application (SIGNAL) on Reducing Queues and Increasing Compliance of Motor Vehicle Taxpayers in Tanjungpinang”. LITERACY : International Scientific Journals of Social, Education, Humanities, vol. 4, no. 2, May 2025, pp. 55-60, doi:10.56910/literacy.v4i2.2227.