Analisis perbandingan kedudukan production sharing contract dengan perjanjian penghindaran pajak berganda pada sengketa branch profit tax bentuk usaha tetap hulu migas = Analysis of legal standing comparison between production sharing contract and tax treaty in upstream oil and gas permanent establishment branch profit tax dispute

Efisiensi dan efektifitas penyelesaian keberatan dan banding (studi atas putusan pengadilan pajak) = Efficiency and effectiveness appeal process (study of tax court decisions)

Analisis faktor penyebab timbul dan meningkatnya sengketa pajak di pengadilan pajak = Analysisi of the factor causing and increasing tax dispute in tax court

Analisis pelaksanaan penyelesaian sengketa banding tarif bea masuk di pengadilan pajak (studi kasus PT. 31 di pengadilan pajak)

Pembentukan Tempat Bersidang Pengadilan Pajak Di Daerah Dalam Upaya Pemenuhan Asas Cepat, Murah Dan Sederhana (Studi Pada Pengadilan Pajak Jogjakarta) = Establishment of convene place in the Regional Tax Court in Effort Principle Fulfillment Fast, Cheap and Simple (Studies in Tax Court Jogjakarta)