EvoHyp - a Java toolkit for evolutionary algorithm hyper-heuristics. - Nelishia Pillay; Derrick Beckedahl (CEC, 2017)

A Study of Multi-space Search Optimization. - Derrick Beckedahl; Andreas Nel; Nelishia Pillay (ISDA (1), 2018)

A Study of Bi-space Search for Solving the One-Dimensional Bin Packing Problem. - Derrick Beckedahl; Nelishia Pillay (ICAISC (2), 2020)

Bi-Space Search: Optimizing the Hybridization of Search Spaces in Solving the One Dimensional Bin Packing Problem. - Derrick Beckedahl; Nelishia Pillay (ICAISC (2), 2022)