Hilmiah, Hilmiah, et al. “Proses Penyelesaian Perkara Persaingan Usaha (Studi Putusan KPPU No.18 KPPU-I 2009)”. Alauddin Law Development Journal, vol. 1, no. 2, Aug. 2019, doi:10.24252/aldev.v1i2.11069.