Chua, H. S., Ong, Q. H., Yap, S. M., & Balasooriya, U. (2009). Forecasting of Singapore's future mortality rates: The Heligman-Pollard model and its comparison to the Lee-Carter model.

Chua, Hui Shan., Qian Hao Ong, Sze May Yap, و Uditha Balasooriya. Forecasting of Singapore's Future Mortality Rates: The Heligman-Pollard Model and Its Comparison to the Lee-Carter Model. 2009.

Chua, Hui Shan., Qian Hao Ong, Sze May Yap, و Uditha Balasooriya. Forecasting of Singapore's Future Mortality Rates: The Heligman-Pollard Model and Its Comparison to the Lee-Carter Model. 2009.