Neural networks and multivariate currency forecasting. - Kah Hwa Ng; Woon-Seng Gan (CIFEr, 1995)

Multivariate FOREX forecasting using artificial neural networks. - Woon-Seng Gan; Kah Hwa Ng (ICNN, 1995)

An approximation pricing algorithm in an incomplete market: A differential geometric approach. - Yuan Gao; Kian Guan Lim; Kah Hwa Ng (Finance Stochastics, 2004)