Severity: Notice
Message: Undefined offset: 0
Filename: controllers/Penelitian.php
Line Number: 58
Backtrace:
File: /home/sinta/public_html/covid/application/controllers/Penelitian.php
Line: 58
Function: _error_handler
File: /home/sinta/public_html/covid/index.php
Line: 315
Function: require_once