Abstract:Human resources are considered as the most valuable and important factor for development of every country. In the Education system which its goal is to educate the future generation and to act in providing the educated work forces, there are several effective factors which among them the role of teachers is the most important and outstanding. Productivity and ISSN 2162-3058 2016 efficiency of these forces depends on different factors which among them we can refer to being timely of teachers' training and usin… Show more
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