all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

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Introduction: Web logs are the evident tools for the librarians. There are three main ways for applying web logs in librarianship fields, as follows: personal use by librarian to upgrade their personal information, as a source of information in case of libraries, and for their services. The aim of this research is to comparison between Iranian libraries and librarians, and superior librarianshi...

for several years, researchers in familiarity of efl teachers with post-method and its role in second and foreign language learners’ productions have pointed out that the opportunity to plan for a task generally develops language learners’ development (ellis, 2005). it is important to mention that the critical varies in language teaching was shown is the disappearances of the concept of method ...