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 Noviantari, A., & Dedy Priyanto, I. 2021 Feb 26. Perlindungan Hukum Terhadap Konsumen Atas Wanprestasi Pelaku Usaha Online. Kertha Wicara : Journal Ilmu Hukum. [Online] 10:4