Utama, Dhiyan. “Kartel Angkutan Kontainer Pelabuhan Belawan Tahun 2011 Dan 2012”. Lex Renaissance 5, no. 1 (November 17, 2020): 91–107. Accessed November 21, 2024. https://journal.uii.ac.id/Lex-Renaissance/article/view/16802.