Sherly, S. and Safira, S. (2025) “Analysis of Calculation, Payment, and Reporting of PPh Article 21 at PT. X (Case Study 2020)”, Jurnal Ilmu Ekonomi dan Sosial (JIES). Jakarta, Indonesia, 13(2), pp. 158–163. doi: 10.22441/jies.v13i2.32454.