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 Prawira Putra, Yogi, Khrisne, Duman Care, AND Suyadnya, I Made Arsa. " Expert System for Early Diagnosis of Heart Disease Using the Random Forest Method" Journal of Electrical, Electronics and Informatics [Online], Volume 3 Number 1 (18 June 2019)