The activity-based aggregate production planning with capacity expansion in manufacturing systems. - Ren-Qian Zhang; Lankang Zhang; Yiyong Xiao; Ikou Kaku (Comput. Ind. Eng., 2012)

The multi-item newsvendor model with cross-selling and the solution when demand is jointly normally distributed. - Ren-Qian Zhang; Lan-Kang Zhang; Wenhui Zhou 001; Romesh Saigal; Hui-Wen Wang (Eur. J. Oper. Res., 2014)