Aswijayanti, Putri, and Santi Rahma Dewi. 2023. “Analysis of Calculation of Income Tax (PPH) for 21 Permanent Employees: Analisis Perhitungan Pajak Penghasilan (PPH) 21 Pegawai Tetap”. Indonesian Journal of Innovation Studies 21 (January):10.21070/ijins.v21i.776. https://doi.org/10.21070/ijins.v21i.776.