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 Permana, I Komang, Sumadiyasa, Made, AND Windarjoto, Windarjoto. " The Separation Distance of the Diffraction Peak Angle between Main Planes (hkl) As an Indicator of the Orthorhombicity of the GdBa2Cu3O7-? Phase Crystal Lattice Structure" BULETIN FISIKA [Online], Volume 22 Number 1 (5 October 2020)