Tinjauan hukum persaingan usaha terhadap indikasi adanya tindak pidana korupsi dalam praktek persekongkolan tender berdasarkan ketentuan Undang-Undang No. 5 tahun 1999; studi kasus putusan KPPU no 08/KPPU-1/2011 = The review of competition law against the indication of corruption presence in bid rigging practices under the provisions of law no 5 of 1999; case study commission s decision no 08/KPPU-I/2011