The article deals with the formation of financing mechanisms for dynamic growth Russian economy, focused on ensuring country's global economic and technological competitiveness in long-term period. transition to sustainable, development modern conditions is associated implementing a deep structural modernisation national economy. It should be further improving infrastructure expanding existing ...

the purpose of this study is to identify challenges of digital resources in academic libraries of kerman province. research methodology is descriptive- survey, a questionnaire is used for gathering data. research sample includes 41 librarians of kerman libraries and their managers. results show that economic challenges, in order, are:  infrastructures and equipment purchasing, printed and digit...

Three equivalence relations are considered on the set of n x n matrices with elements in Fo' an · abelian group with absorbing zero adjoined. They are the relations of diagonal similarity, diagonal equivalence, and restricted diagonal equivalence. These relations are usually considered for matrices with elements in a field, but only multiplication is involved. Thus our formulation in terms of a...

the purpose of this research was to study the role of non-governmental organization inpreserving of urban green areas in the city of tehran. this is a descriptive-correlationresearch method. population of this study was 120 active members of two non-governmentalorganizations in tehran. after distributing the questionnaires, 62 questionnaires werereturned. content and face validity of the instru...