Hambatan dan implikasi beban pajak dalam perubahan ketentuan pajak penghasilan atas wajib pajak badan yang memiliki peredaran bruto tidak melebihi 4,8 miliar (studi kasus pada PT X) = Obstacles and tax burden implication in the changes of income tax regulation for corporate taxpayers who have gross turnover that does not exceed 4,8 billion (case study at PT X)

Analisa penurunan tarif pemotongan pajak penghasilan pasal 23 atas jasa teknik, jasa manajemen dan jasa konsultasi: suatu tinajuan terhadap kinerja keuangan wajib pajak di kantor Pelayanan Pajak Penanaman Modal asing lima) = Analysis of decreasing in income tax article 23 for technical, management and consultant services (An overview to taxpayer financial performance in foreign investment five tax office)

Permasalahan dan dampak dalam pemotongan pajak penghasilan 23: studi pada sektor jasa penyedia tenaga kerja = Problems and impacts in withholding income tax art. 23: study on the outsourcing services

Evaluasi kebijakan presumptive tax atas wajib pajak dengan peredaran bruto tidak melebihi Rp 4,8 milyar = Evaluation of presumptive tax policy on taxpayer with maximum gross turnover of Idr 4,8 billion

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)