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 Sritamin, Made, AND Singarsa, I. " Utilization of Betel Leaf Extract as Botanical Pesticides to Control meloidogyne spp. and Tomato Plant Production" Advances in Tropical Biodiversity and Environmental Sciences [Online], Volume 1 Number 1 (3 May 2017)