Wulandaria, Nita, and Arniati Arniati. “Pengisian SPT Tahunan PPh Pasal 21 Melalui Aplikasi Pengolah Angka (Spread Sheet)”. Journal of Applied Accounting and Taxation 1, no. 1 (March 1, 2016): 65-71. Accessed April 24, 2024. https://jurnal.polibatam.ac.id/index.php/JAAT/article/view/758.