The role of voucher sale in advance for a capital-constrained supply chain. - Haijun Wang 004; Guanmei Liu (RAIRO Oper. Res., 2021)

Hiding or sharing? Technology upgrade, technology spillover and information asymmetry. - Guanmei Liu; Haijun Wang 004; Xiao Lang; Kai Yu (RAIRO Oper. Res., 2022)

Technology investments into a supplier with upstream entry. - Guanmei Liu; Haijun Wang 004; Xiaofeng Shao (Eur. J. Oper. Res., 2023)

Distributing the fashion product in direct or retail channel: The impact of fashion level and direct selling cost. - Haijun Wang 004; Guanmei Liu (Int. Trans. Oper. Res., 2023)

Blockchain development in a supply chain with rival entry. - Guanmei Liu; Yunning Zhao; Shenghai Zhou; Xiaofeng Shao (Int. J. Prod. Res., 2025)