Paskalia, B. H. P., Nugraha, R. C., & Wirawan, D. B. (2022). VARIANCE GAMMA MODEL AND ITS DEVELOPMENT FOR STOCKS CALL OPTION PRICES ESTIMATION. International Journal of Financial and Investment Studies (IJFIS), 3(1), 43-51. https://doi.org/10.9744/ijfis.3.1.43-51