Improving Traceability System in Indonesian Coconut Oil Company. - Ivan Gunawan; Iwan Vanany; Erwin Widodo; Ig. Jaka Mulyana (IEEM, 2018)

Developing Bulk-Liquid Traceability in Indonesian Coconut Oil Company. - Ivan Gunawan; Iwan Vanany; Erwin Widodo; Ig. Jaka Mulyana; Kevin Cornelius (IEEM, 2019)

Modeling the Recall Process of Bulk-Liquid Industry: A Linear Programming Approach. - Ivan Gunawan; Iwan Vanany; Erwin Widodo (IEEM, 2020)

Sustainability Issues of the Coconut Supply Chain in Indonesia. - Ivan Gunawan; Dian Trihastuti; Ig. Jaka Mulyana (IEEM, 2021)

Integrated DANP and binary goal programming model in generating joint-decision making for packaging postponement and supplier selection. - Ivan Gunawan; Dian Trihastuti; Ajay Kumar; Kim Hua Tan (Ann. Oper. Res., 2025)