Analisis kebijakan penegasan penerbitan faktur pajak ditinjau dari asas kepastian hukum (certainty) dan biaya kepatuhan (compliance cost) pengusaha kena pajak = Analysis of the affirmation on issuance tax invoices policy observed from the principle of certainty and the compliance cost taxable person

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 kebijakan penerapan e-filing SPT tahunan pajak penghasilan wajib pajak orang pribadi ditinjau dari asas kepastian hukum dan asas ease of tax administration and compliance (studi kasus di KPP Pratama Bogor) = Policy analysis of e-filing of income tax annual returns the individual taxpayer judging from the principle of legal certainty and principle of ease of tax administration and compliance (case studies in KPP Pratama Bogor)

Analisis Kebijakan Pengecualian Pajak Penghasilan atas Dividen yang Diterima Wajib Pajak Orang Pribadi Ditinjau dari Asas Netralitas, Kesederhanaan dan Efisiensi (Biaya Kepatuhan) = Analysis of Income Tax Exemption Policy on Dividends Received by Individual Taxpayers in view of The Principles of Neutrality, Simplicity and Efficiency (Compliance Cost)

Analisis objek pemotongan pajak penghasilan pph atas jasa konstruksi ditinjau dari asas kepastian hukum = Analysis the object of withholding income tax on construction service seen from certainty principle