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
		Nurhayati, I., 		Vigiani, S., & 		Majid, D.
2020 Jun 30.  PENURUNAN KADAR BESI DAN KROMIUM LIMBAH CAIR LABORATORIUM TEKNIK LINGKUNGAN DENGAN PENGENCERAN, KOAGULASI DAN ADSOBSI. ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science). [Online] 14:1