An integrated optimal control algorithm for discrete-time nonlinear stochastic system. - Sie Long Kek; Kok Lay Teo; A. A. Mohd Ismail (Int. J. Control, 2010)

Diagonal quasi-Newton methods via least change updating principle with weighted Frobenius norm. - Wah June Leong; Sharareh Enshaei; Sie Long Kek (Numer. Algorithms, 2021)

First-Order Linear Ordinary Differential Equation for Regression Modelling. - Sie Long Kek; Chuei Yee Chen; Sze Qi Chan (CECNet, 2023)