Surat Rekomendasi Kepala Dinas Sebagai Bentuk Persekongkolan Yang Mendukung Monopsoni (Studi Putusan KPPU No. 21/KPPU-L/2015) = Technical Recommendation Letter from the Head of Service as a Form of Conspiracy to Support Monopsony (Study of KPPU Decision No. 21/Kppu-L/2015)

Perjanjian tertutup sebagai salah satu bentuk persaingan usaha tidak sehat dalam praktek bancassurance ditinjau dari hukum persaingan usaha : studi kasus putusan KPPU Nomor 05/KPPU/I/2014 = Exclusive dealing as unfair business competition in bancassurance practice praktek bancassurance based on competition law case study KPPU decision Number 05 KPPU/I 2014

Perjanjian tertutup dan penguasaan pasar di sektor kepelabuhanan dalam prespektif hukum persaingan usaha studi terhadap putusan kppu no 02 kppu i 2013 = Closed agreement and market control at port sector in business competition law perspective study about decision of kppu no 02 kppu i 2003

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

Tanggung jawab koordinator kolusi dalam tender pengadaan alat kedokteran kesehatan dan kb di rsud embung fatimah batam ditinjau dari hukum persaingan usaha analisis putusan kppu no 10 kppu l 2013 = The responsibility of bidding coordinator collusion in procurement for medical equipment health and birth control in embung fatimah batam hospital seen from competition law kppu decision analysis no 10 kppu l 2013 / Amadeus Krisna