期刊名称：Annals of the University of Petrosani : Economics
印刷版ISSN：1582-5949
电子版ISSN：2247-8620
出版年度：2006
卷号：VI
期号：01
页码：21-24
出版社：University of Petrosani
摘要：The control over producing of goods and supplying of services is a difficult task even in the stable economical situation. The information about intrinsic conditions of a system, her environment and directed tasks realization is necessary for assessment of the situation and for making a correct managerial decision.
