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 Yogiartha, Gde Manik, & I Ketut Wirta Griadhi. " PERLINDUNGAN HUKUM TERHADAP KONSUMEN DALAM JUAL - BELI TELEPON SELULER TANPA GARANSI DI PASAR GELAP (BLACK MARKET)." Kertha Negara : Journal Ilmu Hukum [Online], (2013): n. pag. Web. 4 Sep. 2026