A Choice of Weights for Convex Combination Methods in Estimating Partial Derivatives. - Yongson Ooi; Lawrence H. T. Chang; Ya-Ping Wong; Abd. Rahni Mt. Piah (CGIV, 2004)

G¹ Scattered Data Interpolation with Minimized Sum of Squares of Principal Curvatures. - Azizan Saaban; Abd. Rahni Mt. Piah; Ahmad Abdul Majid; Lawrence H. T. Chang (CGIV, 2005)