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Objective: The aim of the present paper is to review the theoretical underpinning, including background and some of the hypotheses adopted from philosophy and sociology of science, as they pertain to the emerging field of Knowledge Domain Visualization. Methodology: Text analysis was employed to derive the necessary content. Findings: Review of literature demonstrated that as an emerging field, knowledge domain visualization had undergone positive development over the past two decades and has built good capacity towards presenting a clear and multi-dimensional view of the science structure.

Objective: The present study was carried out in order to identify the link between transformational leadership with organizational citizenship behavior in University of Tehran libraries and also to identify the extent of predictability of the said behavior based on various facets of such leadership. Methodology: A descriptive correlational method was deployed. Data were collected by employing a questionnaire. Findins: There is a significant correlation between Organizational Citizenship and the ideal behavioral facets, Ideal attitude, mental stimulation and individual considerations. There is also a significant link between transformational leadership and organizational citizenship. Transformational leadership, ideal behavoir and ideal attitude components predict about 20.7 percent of organizational citizenship behavior variances in a meaningful way.

Objective: the present paper investigates the status of knowledge management infrastructures in Tabriz University as perceived by its academia. Method: A survey was conducted using questionnaire as its primary data collection instrument. 160 Tabriz University faculty members were selected using ratio scale. The study first measured the degree of familiarity of the sample population with the concept of knowledge management. Infrastructural factors such as organization culture, organization structure, manpower, processes, technology and financial resources were subsequently studied. Findings: A low level of familiarity with the concept of knowledge management was discerned. Organization culture, organization structure, processes and financial resources were unfitting while manpower and technology were suitable

Objective: The purpose of this study was to determine the management styles and their relationship with job satisfaction in Tehran university libraries. Methodoloy: The population of this study was 175 librarians from 12 universities of Tehran. Data were collected by a questionnaire in survey. Eight indicators of Likert's "Profile of Organizational Characteristics" were used to determine the libraries' prevailing management styles. Findings: The results of this research revealed that management style of Tehran university libraries was benevolent authoritative stylewith respect to indicators of "motivation", "communication", "interaction – influence", "decision making", "goal setting", and "performance goals and training”.The style was consultative with respect to "leadership" and "control. Based on eight indicatorsthe major conclusion was that management style of Tehran university libraries is benevolent authoritative style and near to consultative style. The Pearson coefficient correlation (0.702) showed that there is a significant relationship between management styles and librarians job satisfaction in Tehran university libraries.

Objective: The present paper studies the relationship between computer games with readership among K-8 students in Karaj City in 2010. Methodoloy: A survey method was employed using a self-constructed questionnaire. 384 students (192 girls and 192 boys) were selected. Findings: It was indicated that in spite of the desirable level of readership among students, the boys study more than the girls as well as spending more time on computer games. Findings indicated that there is a positive significance between reading and grade per average. Nothing was inferred between reading and playing computer games. The investigation showed that there is significant correlation between reading and existence or lack of computer games. Students who do not have computer games available study more. No relationship was found between parental controls of computer games with readership

Objective: This study investigates the environmental scanning behavior of Islamic Azad Universities' academic libraries manager in acquisition and use of information about external environment for decision making and designing of organizations future. Methodoloy: Analytical survey method used for analysis of correlation between variables. Then, 94 units of 232 of Islamic Azad Universities were selected. Data were collected by mail questionnaire. Findings: Results showed that customer (Mean=4.68) , technical (Mean=4.14) , and sociocultural (Mean=4) sectors were important; and customer (Mean=4.32) , technical (Mean=4.07) , and sociocultural (Mean=3.94) sectors were variable for manager's point of view; and the customer (Mean=4.26) , technologic (Mean=3.98) and competitor (Mean=3.88) sectors were complex. Library sources (Mean=4.25), electronic information services (Mean=4.2), customer and audience (Mean=4.06), and professionals as an information source (Mean=4.06) were used in decision making frequently. Also correlation between perceived environmental uncertainty and frequency use of information sources in decision making was significant for customer and sociocultural sectors. –AA.