Warning: Constant XML_PARSER_SOURCE_ENCODING already defined in /home/u906502497/domains/journal.ar-raniry.ac.id/public_html/html/lib/pkp/classes/xml/PKPXMLParser.inc.php on line 23
Warning: Constant XML_PARSER_TARGET_ENCODING already defined in /home/u906502497/domains/journal.ar-raniry.ac.id/public_html/html/lib/pkp/classes/xml/PKPXMLParser.inc.php on line 24
Warning: Constant SCHEMA_AUTHOR already defined in /home/u906502497/domains/journal.ar-raniry.ac.id/public_html/html/lib/pkp/classes/services/PKPSchemaService.inc.php on line 18