Analisis effective tax rate dan book-tax differences : studi kasus perusahaan pertambangan batubara yang terdaftar di Bursa Efek Indonesia = Analysis on effective tax rate and book-tax differences : case study on coal mining company listed in Indonesia Stock Exchange

Pengaruh hubungan politik dan reformasi perpajakan terhadap tarif pajak efektif pada perusahaan yang terdaftar di Bursa Efek Indonesia tahun 2008-2009 = Influence of political connection and tax reformation to effective tax rate of listed company in the Indonesian Stock Exchange on 2008-2009

Analisis kinerja keuangan perusahaan sebelum dan sesudah reformasi perpajakan tahun 2008 (studi empiris perusahaan manufaktur yang terdaftar di Bursa Efek Indonesia) = Analysis of corporate financial performance before and after the 2008 tax reform empirical (study manufacturing companies listed in the Indonesia Stock Exchange)

Pengaruh karakteristik kepemilikan, reformasi perpajakan, dan hubungan politik terhadap tindakan pajak agresif pada perusahaan yang terdaftar di Bursa Efek Indonesia pada tahun 2007-2010 = The Effect of ownership characteristics, tax reform, and political connection on tax aggressiveness of listed companies in the Indonesian Stock Exchange in 2007-2010

Pengaruh karakteristik perusahaan dan reformasi perpajakan terhadap tarif pajak efektif: studi pada perusahaan yang terdaftar di Bursa Efek Indonesia tahun 2009-2015 = The influence of firm characteristic and tax reform to effective tax rates: study on companies listed on the Indonesian stock exchange in 2009-2015