Pengaruh Financial Development terhadap Efisiensi Tingkat Investasi Perusahaan di Negara ASEAN-5 (Indonesia, Malaysia, Singapura, Filipina, Thailand) pada Periode 2015-2019 = The Effect of Financial Development on Corporate Investment Efficiency in ASEAN-5 Countries (Indonesia, Malaysia, Singapore, the Philippines, Thailand) from 2015-2019

Pengaruh kepemilikan negara dan kepemilikan asing terhadap efisiensi investasi pada negara Indonesia, Malaysia, Singapura dan Thailand tahun 2012-2016 = Impact state ownership and foreign ownership on investment efficiency in Indonesia, Malaysia, Singapura and Thailand period 2012-2016

Pengaruh struktur kepemilikan dan mekanisme tata kelola perusahaan terhadap nilai perusahaan pada perusahaan milik negara dan swasta di Indonesia = Ownership structure and corporate governance mechanisms impact on firm value of state owned enterprises and private owned enterprises in Indonesia / Iedo Radityo

Pengaruh ownership dan board size terhadap kinerja perusahaan BUMN di Bursa Efek Indonesia periode 2013-2018 = The effect of ownership and board size on the performance of State-Owned Enterprises in Indonesia Stock Exchange period 2013-2018

Pengaruh karakteristik perusahaan dan karakteristik negara terhadap tingkat utang perusahaan studi kasus di Indonesia, Malaysia, Singapura, Thailand dan Filipina periode 2002-2011 = The impact of firm and country specific factors on leverage case study in Indonesia, Malaysia, Singapore, Thailand and Philippines within period of 2002-2011