Warning: file_put_contents(): Only 0 of 26 bytes written, possibly out of free disk space in /var/www/ojs.unud.ac.id_backup/lib/pkp/classes/cache/FileCache.inc.php on line 90 Wiksuana, I., Purnawati, N., & Sudirman., I. (2021). Testing of January Effect on the Indonesian Capital Market: Sectoral Analysis of GARCH Models. Matrik : Jurnal Manajemen, Strategi Bisnis, Dan Kewirausahaan, , 303-325. doi:10.24843/MATRIK:JMBK.2021.v15.i02.p12