Nugroho, Didit Budi, Bintoro Ady Pamungkas, and Hanna Arini Parhusip. 2020. “Volatility Fitting Performance of QGARCH(1,1) Model With Student-T, GED, and SGED Distributions”. ComTech: Computer, Mathematics and Engineering Applications 11 (2):97-104. https://doi.org/10.21512/comtech.v11i2.6391.