@article{sywh2112457461669527553, title = {以价值链分析为导向的通信铁塔企业成本控制研究}, author = {蒋银巧}, journal = {商业文化}, year = {2025}, number = {22}, pages = {98--100}, issn = {1006-4117}, url = {https://journal.zazhitong.com/sywh/articles/2112457461669527553}, }