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 Junior, Kadek Kresna Ananda, Negara, Anak Agung Gede Angga Puspa, Saraswati, Ni Luh Putu Gita Karunia, AND Wahyuni, Nila. " Penggunaan Gadget Terhadap Kualitas Tidur Remaja Usia 15-19 Tahun: Studi Observasional" Majalah Ilmiah Fisioterapi Indonesia [Online], Volume 12 Number 1 (18 January 2024)