Fadhlurrahman, Muhammad Haikal. 2023. “Tata Cara Perhitungan, Penyetoran, Pelaporan Dan Pencatatan PPH Pasal 21 Pada Pegawai Tetap PT. Kumala Inti Sindobuana SPBU 142011102”. Innovative: Journal Of Social Science Research 3 (4):6931-41. https://j-innovative.org/index.php/Innovative/article/view/4340.