in the process of investment decision making, next to financial indicators many other aspects of investment projects are increasingly often considered. this leads to the multi-criteria evaluation of a project. the advantage of multi-criteria methods is the ability to take into account all (not only financial) aspects of the attractiveness of an investment project. the selection of criteria of p...

Although significant private investment is absorbed in different sectors of power systems, transmission sector is still suffering from appropriate private investment. This is because of the pricing policies of transmission services, tariffs, and especially for investment risks. Investment risks are due to the uncertain behaviour of power systems that discourage investors to invest in the transm...

in iran, the prevention of poliomyelitis is practically limited to vaccinatton this paper, however, gives a detailed account of the preventive measures attempting to check the spread of the infection and of those aiming at the reduction of the frequency of the paralytic manifestation

attracting foreign investment is a technique to achieve economic development, which requires establishment of appropriate legal and administrative infrastructure. in addition, host countries may ignore their public interest and national security. therefore, they have to maintain a balance between economic development and protection of national security. the concern over the national security as...

The purpose of this article is to analyze and synthesize Kazimierz Twardowski’s ideas that belong philosophy education. aim education “rational patriotism” – it should prepare “enlightened citizens” who not only love their country but also present some important features character like discipline, hard work, sense duty. Therefore upbringing becomes a central issue. Additionally, they develop ce...

In discussing the limits of human knowledge, physical objects are, in principle, not identical to apparent ones. This is because latter depend also on observer. Virtual reality (VR) models are environments that address senses and therefore belong space. Therefore, they seem prevent an epistemic justification. Based that, this paper discusses VR technology’s potential provide knowledge external ...