摘要
The paper analyses the necessity and current condition of utilization of recycled copper resources,as well as the characteristics of utilization of recycled copper resources.
The paper analyses the necessity and current condition of utilization of recycled copper resources,as well as the characteristics of utilization of recycled copper resources.
出处
《统计研究》
CSSCI
北大核心
2002年第5期62-64,共3页
Statistical Research
