Analisa pasal 22 tentang larangan persekongkolan tender dan penggunaan pasal 19 huruf (d) UU No.5 tahun 1999 untuk menjerat panitia tender yang tidak melakukan persekongkolan (studi putusan KPPU No.05/KPPU-L/2009) = Analysis on article 22 about collusive tendering and the usage of article 19 letter (d) of act 5 of 1999 to punish the tender committee who is not doing conspiracy (study of KPPU Decision No.05/KPPU-L/2009)

Dugaan pelanggaran pasal 5 undang-undang nomor 5 tahun 1999 tentang larangan praktek monopoli dan persaingan usaha tidak sehat studi kasus putusan KPPU Nomor 04/KPPU-I/2016 = Possible violation of article 5 law number 5 of 1999 concerning prohibition of monopoly practice and uncomplete competition case study KPPU Number 04/ KPPU/I/2016

Penerapan pasal 23 Ayat (1) dan pasal 31 Undang-Undang Nomor 23 Tahun 2007 tentang Perkeretaapian dalam Penyelenggaraan Prasarana dan Sarana Perkeretaapian Umum oleh pihak swasta dalam rangka menciptakan persaingan usaha sehat di Indonesia = Application of article 23 paragraph (1) and article 31 of Law Number 23 of 2007 concerning Railways in the Implementation of Public Railway Infrastructure and Facilities by private parties in creating healthy business competition in Indonesia

Perjanjian penetapan harga dalam perspektif hukum persaingan usaha pada putusan KPPU 2013-2014 = Price fixing agreement in the perspective of business competition law on the verdict of KPPU 2013-2014

Konsistensi putusan KPPU terhadap pelanggaran persekongkolan tender berdasarkan hukum persaingan usaha = The consistency of the KPPU decision against conspiracy of tender based on competition law