Akib, Muhammad, FX. Sumarja, Slamet Budi Yuwono, and Hieronymus Soerjatisnanta. 2019. “The Fact of Inter-Regional Cooperation on Environmental Law in Lampung, Indonesia”. Rechtsidee 5 (2), 10.21070/jihr.v5i2.68. https://doi.org/10.21070/jihr.v5i2.68.