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 Teresna, I Wayan, AND Suparta, I Nengah. " Analysis A Water Cooler Simulator on A Solar Cell" BULETIN FISIKA [Online], Volume 25 Number 1 (28 February 2024)