the changes in todays world organization, to the extent that instability can be characterized with the most stable organizations called this afternoon. if you ever change management component, an additional value to the organization was considered, today, these elements become the foundation the organization is survival. the definition of the entrepreneur to identify opportunities to exploit a...

in this thesis, first the notion of weak mutual associativity (w.m.a.) and the necessary and sufficient condition for a $(l,gamma)$-associated hypersemigroup $(h, ast)$ derived from some family of $lesssim$-preordered semigroups to be a hypergroup, are given. second, by proving the fact that the concrete categories, semihypergroups and hypergroups have not free objects we will introduce t...

Introduction:  Optimal management of human resources is considered as a basic and most fundamental principle of management of the health services because manpower is the most important organizational resources. The aim of this study was to identify the challenges in the optimal management of human resources in hospitals. Method: This qualitative study was conducted in hospitals affiliated to Te...

Background and Aim: Today, healthcare system is exposed to inappropriate human resources distribution challenges in all over the world. So far there is not an appropriate policy for human resources distribution in Iran. This deficiency may cause several problems for providing healthcare services. This research was aimed to determine the situation of human resources distribution among Tehran Uni...

with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...