TY - GENERIC DO - 10.20944/preprints201703.0231.v1 UR - http://dx.doi.org/10.20944/preprints201703.0231.v1 TI - China's Copper Demand Forecasting Based on System Dynamics Model T2 - Preprints AU - Yang, Jianbo AU - Li, Xin AU - Liu, Qunyi PY - 2017 DA - 2017/03/31 PB - Preprints