Sugiyanto, Sugiyanto, Sri Subanti, Isnandar Slamet, Etik Zukhronah, Irwan Susanto, Winita Sulandari, and Nabila Churin Aprilia. 2024. “ombined odel of arkov witching and symmetry of eneralized easonal utoregressive oving verage onditional eteroscedasticity for arly etection of inancial risis in ong ong”. (IJCSAM) nternational ournal of omputing cience and pplied athematics 10 (2):47-50. https://journal.its.ac.id/index.php/ijcsam/article/view/4541.