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
		Saragih, I., 		Sudiana Mahendra, M., & 		Sudarma, I.
2020 Jan  9.  VALUASI EKONOMI  JASA LINGKUNGAN EKOSISTEM HUTAN TAMAN EDEN 100, DESA LUMBAN JULU, PARAPAT, SUMATERA UTARA. ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science). [Online] 13:2