Ensuring the food security of country is a multifaceted problem, solution which requires comprehensive approach. It not enough to produce raw materials alone, it necessary create and maintain logistics chains that are constantly operating efficiently deliver grown crop consumers. The purpose study develop criteria for selection effective methods directions establishment services storage vegetab...

The main objective of this study was to identify and prioritize effective criteria in selecting Lean Six Sigma improvement projects the healthcare treatment sector Iran. present an applied research terms a descriptive analytical one according methodology data collection approach. statistical population included experts managers with experience field implementing lean six sigma We used interview...

this paper attempts to rank the effective factors in making trust in social networks to provide the possibility of attracting and increasing users’ trust on these social networks for providers and designers of online social networks. identifying the effective factors in making trust in social networks is a multi-criteria decision making problem and most of effective factors are ambiguous and un...

notating the criteria of an expert teacher based on the  students’ viewpoints and using them in teaching process has a prominent role in enhancing the education quality. this study aims at identifying those characteristics in occupational health students' opinions. in this cross-sectional study in 2012, using random sampling method, 200 of occupational health students in tehran university of me...

This paper presents a framework that guides the requirements engineer in the implementation and execution of an effective requirements generation process. We achieve this goal by providing a well-defined requirements engineering model that includes verification and validation (V&V), and analysis. In addition, we identify focused activity objectives and map popular methods to lower-level activit...