Operationalresearch相关论文
...
Change patterns of oncomelanid snail burden in areas within the Yangtze River drainage after the thr
...
Engagement of public and private medical facilities in tuberculosis care in Myanmar: contributions a
...
在市场经济条件下，企业的重要原料，产品及生产能力等因素直接影响经济效益，因此，需经常进行经济分析，以便作出好的生产经营决策。灵敏度......
