Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Wulan, Ida Ayu Agung Rasmi, & Made Maharta Yasa. " Validitas Klaim Sepihak Cina Atas Perairan Natuna Utara." Kertha Wicara : Journal Ilmu Hukum [Online], 10.5 (2021): 330-340. Web. 28 Aug. 2026