A system dynamics model of Singapore healthcare affordability. - Tsan Sheng Adam Ng; Charlle Lee Sy; Jie Li (WSC, 2011)

A robust linear programming model for small signal stability of dynamic systems. - Chee Khiang Pang; Tsan Sheng Ng; Charlle Lee Sy (ICCA, 2013)

A resilience optimization approach for workforce-inventory control dynamics under uncertainty. - Tsan Sheng Ng; Charlle Lee Sy (J. Sched., 2014)

A Robust Optimisation Formulation for Post-departure Rerouting Problem. - Miriam F. Bongo; Charlle Lee Sy (IEEM, 2020)

A System Dynamics Model of False News on Social Networking Sites. - Aleena Marie Concepcion; Charlle Lee Sy (IEEM, 2022)

Modeling the Dynamics of Oil Price Fluctuations Using the System Dynamics Approach. - Charlle Lee Sy; Aaron C. Chan (IEEM, 2023)

A Customer-centric and Operator-centric Approach on Airport Gate Assignments. - Jeremy Gabriel Uy; Jarvy Larz San Juan; Jayne Lois San Juan; Charlle Lee Sy (IEEM, 2023)

Exploring the Systems Dynamics of Rice Security: A Bibliometric Analysis. - L. S. M. Catimbang; Charlle Lee Sy (IEEM, 2024)

Mitigating the Social Impact of Delayed Salary Payments of Part-time Instructors in a Provincial State University in the Philippines. - D. G. Rodriguez; J. L. G. San Juan; Charlle Lee Sy (IEEM, 2024)

Can diverse and conflicting interests of multiple stakeholders be balanced? - Miriam F. Bongo; Charlle Lee Sy (Ann. Oper. Res., 2024)