all living organisms are exposed to ionizing radiation comprising cosmic rays coming from outer space, terrestrial nuclides occurring in the earth’s crust, building materials, air, water and foods and in the human body itself. the exposures are constant and uniform for all individuals everywhere including the dose from ingestion of 40k in food. cosmic rays are, more intense at higher altitudes,...

the present study examined the role of social capital on financial performance of farming cooperatives in khouzestan province. the method of research was descriptive- correlative. the population consisted of 3273 members of farming cooperatives. based on cochran formula, 213 persons were selected. the survey was conducted using a questionnaire. content validity of the questionnaire was determin...