Cayton, Peter Julian A. and Mapa, Dennis S. (2012): Time-varying conditional Johnson SU density in value-at-risk (VaR) methodology. Unpublished.
Mapa, Dennis S. (2003): A Range-Based GARCH Model for Forecasting Volatility. Published in: The Philippine Review of Economics , Vol. XL, No. 2 (December 2003): pp. 73-90.
Mapa, Dennis S.; Cayton, Peter Julian and Lising, Mary Therese (2009): Estimating Value-at-Risk (VaR) using TiVEx-POT Models. Unpublished.