![](/img/cover-not-exists.png)
SPIE Proceedings [SPIE International Conference on Photonics and Image in Agriculture Engineering (PIAGENG 2009) - Zhangjiajie, China (Saturday 11 July 2009)] PIAGENG 2009: Intelligent Information, Control, and Communication Technology for Agricultural Engineering - A study on operation efficiency evaluation based on firm's financial index and benchmark selection: take China Unicom as an example
Wu, Zu-guang, Tian, Zhan-jun, Liu, Hui, Huang, Rui, Zhu, Guo-huaVolume:
7490
Year:
2009
Language:
english
DOI:
10.1117/12.836933
File:
PDF, 246 KB
english, 2009