Analisis pengenaan pajak penghasilan pasal 21 terhadap penghasilan peserta magang ditinjau dari asas kepastian hukum (tinjauan PER-31/PJ/2012) = Analysis of income tax article 21 imposition on internship income based on certainty principle perspective review of PER-31/PJ/2012)

Analisis mekanisme penghitungan pajak penghasilan pasal 21 atas pegawai tetap = The analysis of mechanism calculation of income tax article 21 on a permanent employee

Asas kepastian hukum dalam penerapan pajak penghasilan pasal 21 bagi pegawai tidak tetap peserta Badan Penyelenggara Jaminan Sosial = Certainty principle on implementation of income tax article 21 for temporary employee registered at Badan Penyelenggara Jaminan Sosial

Analisis Kebijakan Pajak Penghasilan Atas Imbalan Berupa Kenikmatan Berdasarkan Asas Kepastian Hukum = Analysis of the Latest Policy on Income Tax for Benefits in a form of Pleasure Based on the Principle of Legal Certainty

Analisis pemungutan pajak penghasilan pasal 22 atas pembelian listrik swasta oleh PT PLN (persero) ditinjau dari asas kepastian hukum = Analysis of collection of income tax article 22 on the purchase of private electricity by PT PLN (persero) based on certainty of law principle