@article{ 李强:33, author = { 李强, 龚肖宁}, title = {投入产出分析与经济周期波动}, publisher = {统计研究}, year = {1989}, journal = {统计研究}, volume = {6}, number = {1}, eid = {33}, numpages = {4}, pages = {33}, keywords = {}, url = {https://tjyj.stats.gov.cn/CN/abstract/article_2854.shtml}, doi = {} }