An interactive algorithm for multicriteria programming. - Eng Ung Choo; Derek R. Atkins (Comput. Oper. Res., 1980)

Proper Efficiency in Nonconvex Multicriteria Programming. - Eng Ung Choo; Derek R. Atkins (Math. Oper. Res., 1983)

An interactive weighted Tchebycheff procedure for multiple objective programming. - Ralph E. Steuer; Eng Ung Choo (Math. Program., 1983)

Technical Note - Proper Efficiency and the Linear Fractional Vector Maximum Problem. - Eng Ung Choo (Oper. Res., 1984)

Pseudolinearity and efficiency. - Kim-Lin Chew; Eng Ung Choo (Math. Program., 1984)

Optimal value functions in parametric programming. - Eng Ung Choo; Kim Peu Chew (Z. Oper. Research, 1985)

Eyeballing heuristics for dynamic lot size problems. - Eng Ung Choo; Gin Hor Chan (Comput. Oper. Res., 1989)

Two-way eyeballing heuristics in dynamic lot sizing with backlogging. - Eng Ung Choo; Gin Hor Chan (Comput. Oper. Res., 1990)

Comparative study of dynamic lot sizing heuristics with backlogging. - H. Hsieh; Kim Fung Lam; Eng Ung Choo (Comput. Oper. Res., 1992)

A linear goal programming model for classification with non-monotone attributes. - Kim Fung Lam; Eng Ung Choo (Comput. Oper. Res., 1993)

Deriving the partial values in MCDM by goal programming. - Jane W. Moy; Kim Fung Lam; Eng Ung Choo (Ann. Oper. Res., 1997)

The critical cut-off value approach for dynamic lot sizing problems with time varying cost parameters. - Gin Hor Chan; Z. H. Xia; Eng Ung Choo (Comput. Oper. Res., 1999)

Magnitude adjustment for AHP benefit/cost ratios. - William C. Wedley; Eng Ung Choo; Bertram Schoner (Eur. J. Oper. Res., 2001)

A common framework for deriving preference values from pairwise comparison matrices. - Eng Ung Choo; William C. Wedley (Comput. Oper. Res., 2004)

Effectiveness Analysis of Deriving Priority Vectors from Reciprocal Pairwise Comparison Matrices. - G. Bajwa; Eng Ung Choo; William C. Wedley (Asia Pac. J. Oper. Res., 2008)

Estimating ratio scale values when units are unspecified. - Eng Ung Choo; William C. Wedley (Comput. Ind. Eng., 2010)

Mathematical Support for the Geometric Mean when Deriving a Consistent Matrix from a Pairwise Ratio Matrix. - Eng Ung Choo; William C. Wedley; Diederik J. D. Wijnmalen (Fundam. Informaticae, 2016)

Efficacy Analysis of Ratios from Pairwise Comparisons. - William C. Wedley; Eng Ung Choo; Diederik J. D. Wijnmalen (Fundam. Informaticae, 2016)