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 Tarigan, G., Arthana, I., & Pebriani, D. (2021). Effect of Giving Different Doses of Vitamin E in Feed to the Level of Gonad Maturity of Tilapia (Oreochromis niloticus). Advances In Tropical Biodiversity And Environmental Sciences, 5(2), 64-68. doi:10.24843/ATBES.2021.v05.i02.p05