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

Pengaruh koneksi politik dan tata kelola perusahaan terhadap tarif pajak efektif: studi pada sektor pertambangan yang terdaftar di Bursa Efek Indonesia periode 2008-2017 = The effect of political connection and corporate governance on effective tax rate at mining sector companies listed in Indonesia stock exchange for period 2008-2017

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

Analisis pengaruh kepemilikan institusional terhadap book tax differences pada perusahaan yang terdaftar di Bursa Efek Indonesia tahun 2011 = An analysis of the effect of institutional ownership on book tax differences empirical study at registered company on the Indonesian Stock Exchange year 2011

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