introduction: in recent years spatial justice has gained special importance among planners and geographers. since the urban public services form the structure, shape and the nature of the physical, social and urban space, inequities in their distribution cause irreversible negative effects on the structure and the nature of city and social segregation of the people, and serious challenges in th...

purpose: this research is to present a plan to improve information services in libraries of islamic of azad university, so that more proper services can be presented to the university community through studying the processes. methodology: this research is descriptive survey. the target population includes 75 central, main units of libraries. collecting information tool is a questionnaire with 3...

the present research provides quantitative and descriptive data of the information service capabilities available at thehran university libraries. these include access to information resources, availability of various indexes, printed catalogs, computer terminals, access modes, working hours, membership requirements, borrowing pattens. the findings presented in form of tables, were analyzed bas...

the principal goal of this research is the feasibility study of presentation electronic reference services in such centers. in this research, we apply measuring methods in different stages. through this way, we attempt to focus on special governmental information centers in tehran which use internet for acquisition and dissemination of information and also for reference services, methods of col...