Background and purpose: Guilan province, with unique environmental values is located in southwest of the Caspian Sea. Disposal of untreated domestic, industrial and agricultural sewage to the surface of water pollutes the coastal waters of the Caspian Sea. Due to many pollutants in these swages they could endanger the health of swimmers. The purpose of this study was to evaluate the microbial c...

Abstract Introduction: Good governance theory has been welcomed with emphasis on information transparency and support for in-organizational information in organizational contexts between management and staff since the late 1990s. Structural empowerment also works by empowering employees with useful information in the field of work. Objective: To measure the relationship between good governanc...

this study investigates the relationship between field-related cognitive styles and global reading comprehension of hypertext. technically, field dependency is prevailing dominance of field on perception of parts, while global comprehension is skim-like reading to grasp the general content. in this research project, 60 senior and junior students of arak university majoring in english literature...

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...

Abstract Introduction: Authentic Leadership is a model of leadership behavior that has positive psychological capabilities and can enhance job performance. The psychological and social capitals are also new concepts that are rooted in positive organizational behavior and can provide organizations with a sustainable competitive advantage. Objective: The purpose of this study was investigating ...