Sinaga, Rudy Sondang. “The Impact of Digital Marketplace Application Utilization on the Effectiveness of Tax Attorney Service Promotion: A Study of the Hukumku Legal Platform”. Sinergi International Journal of Accounting and Taxation 4, no. 1 (February 28, 2026): 20–28. Accessed April 7, 2026. https://journal.sinergi.or.id/index.php/ijat/article/view/1004.