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