Wahyuni, Efa, and Tommy Kuncara. “Analysis of Annual Spt Reporting Article 21 Before and After the Implementation of the E-Filling System at PT Surya Toto Indonesia, Tbk”. Journal of Accounting and Finance Management, vol. 5, no. 4, Sept. 2024, pp. 644-9, doi:10.38035/jafm.v5i4.771.