Wiharjokusumo P. Assumption Of Risk And Release Of Liability Agreement Between Tour Operator And Tourist In Following The Whitewater Raftng Adventure Tour Package Based On Indonesian Law. JIAA [Internet]. 2019Apr.30 [cited 2024Dec.22];6(1):1-12. Available from: https://journal.akpardarmaagung.ac.id/index.php/JIAA/article/view/17