tourism , today as one of the ways to make money, create jobs , and social and political interactions is considered. this paper aims to examine the strengths and weaknesses of tourism development in mahmoud abad ( mazandaran ). the research method in this study is " descriptive - analytical " and to collection of data used field methods such as questionnaires and documentation - library. the sa...

introduction: industrial growth, development programs and infrastructure projects, in spite of all the advantages and benefits to humans, has been considered as the source of many hazards, risks and failures. risk assessment is the organized and systematic method to identify hazards and risk estimation for decisions ranking, in order to reduce the risk to an acceptable extent. the aim of this s...

implicit and unobserved errors and vulnerabilities issues usually arise in cryptographic protocols and especially in authentication protocols. this may enable an attacker to make serious damages to the desired system, such as having the access to or changing secret documents, interfering in bank transactions, having access to users’ accounts, or may be having the control all over the syste...

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 ...

chapter i provides an overview of structural linguistics and touches upon the saussurean dichotomies with the final goal of exploring their relevance to the stylistic studies of literature. to provide evidence for the singificance of the study, chapter ii deals with the controversial issue of linguistics and literature, and presents opposing views which, at the same time, have been central to t...

Ahead of 21th century, developing and development is presented as the most significant, comprehensive and challenging matter internationally. So, in order to achieve these developments, we have to execute purposeful and comprehensive programs and it is the analyses of these programs that will determine the originality, comprehensiveness and fulfillment of supreme development purposes. From an i...