Analisis dugaan penetapan harga dan kartel yang menimbulkan persaingan usaha yang tidak sehat : studi kasus kartel semen putusan KPPU No. 01/KPPU-I/2010 dan Peraturan Komisi No. 4 Tahun 2010 = Analysis of presumption price fixing and cartel practices that evoke unfair business competition : case study of cemen cartel on commission for the supervision of business competition Republic of Indonesia-KPPU RI decision number 01/KPPU-I/2010 and commission regulation number 4 year 2010

Analisis dugaan perjanjian penetapan harga bahan bakar minyak (BBM) non subsidi umum di Indonesia berdasarkan indirect evidence dalam hukum persaingan usaha = Analysis of presumption price fixing agreement on non-subsidized fuel price in Indonesia based on indirect evidence in competition law

Pengaturan perjanjian penetapan harga dan kartel sebagai aspek dalam persaingan usaha: studi perbandingan Indonesia dan Australia (analisis putusan [2017] HCA 21 High Court of Australia) = Regulation on price fixing and cartel as aspects of business competition: a comparative study on Indonesia and Australia (an analysis on verdict [2017] HCA 21 High Court of Australia)

Analisis terhadap pertimbangan majelis hakim pada putusan no. 03/kppu/2008/pn.jkt.pst yang membatalkan putusan komisi pengawas persaingan usaha no. 26/kppu-l/2007 mengenai penetapan harga short message service sms = Analysis of judge S decision on verdict no. 03/kppu/2008/pn.jkt.pst that annuled komisi pengawas persaingan usaha S verdict no. 26/kppu-l/2007 about short message service price fixing / Immanuel Sinaga

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