Perlindungan Hukum Persaingan Usaha Terhadap Indikasi Persekongkolan Tender Jack Up Drilling Rig Services Antara HUSKY-CNOOC MADURA LIMITED Dengan PT COSL INDO (Analisis Putusan KPPU No. 03/KPPU-L/2016) - suradiyanto, suradiyanto (Law Department, University of Widya Gama Mahakam Samarinda, 2020)