Afnanda, A. et al. 2024. Model Volatilitas Return Index Saham Syariah Indonesia Melalui Pendekatan Bayesian Markov Switching GARCH. Lattice Journal : Journal of Mathematics Education and Applied. 4, 1 (Jun. 2024), 14–26. DOI:https://doi.org/10.30983/lattice.v4i1.8381.