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 Jayadinata, I Nyoman Rekya Adi, & I Wayan Novy Purwanto. " URGENSI KECAKAPAN DALAM PERJANJIAN JUAL BELI SECARA ONLINE." Kertha Semaya : Journal Ilmu Hukum [Online], 8.7 (2020): 970 - 981. Web. 28 Aug. 2026