this study is a survey research. the population of the study was all specialists who have enough data about ways of sustainability rice cultivars that they were identified and studied through non-probability sampling (purposeful and snowball). to determine the validity of the questionnaire, face and content validity was used, and, to assess the reliability, inconsistency coefficient was used. i...

safety analysis of the roads through the accident rates which is one of the widely used tools has been resulted from the direct exposure method which is based on the ratio of the vehicle-kilometers traveled and vehicle-travel time. however, due to some fundamental flaws in its theories and difficulties in gaining access to the data required such as traffic volume, distance and duration of the t...

Review

introduction: balanced scorecard (bsc) is regarded as one of the successful tools in performance measurement. however, it neither absolutely nor comparatively provides the weight of each perspective and indicators related to each perspective. in this study, we applied a fuzzy analytical hierarchy process (fahp) to weight the perspectives and bsc indicators in hospital. methods: this applied, de...

the main purpose of this paper is to present a fuzzy multi-criteria decision making (fmadm) model for appropriate location selection of a health center. therefore, we identify sixteen criteria and sub-criteria for selecting a health center location. these criteria and sub-criteria have been obtained from literature reviews and practical interviews. this paper proposes a method which combines th...

the aim of this study was to develop an optimal sustainable forest plantation based on goal programming and analytic hierarchy process (ahp) methods. this study was carried out in guilan province, north of iran. first of all, the ecological capability of the study area for plantation establishment/maintenance was evaluated based on multi-factor method and specific ecological makhdoum model by m...

The Supplier Selection Problem (SSP) consists of analyzing and measuring the performance of a set of suppliers in order to rank and select them for improving the competitiveness of the whole supply system. As many conflicting factors should be taken into account in the analysis, the problem can be tackled using multi-criteria models and methods. In this work a careful scrutiny of the papers app...

using the mathematic techniques such as fuzzy approach has useful outcomes for production planning in different sources. in this paper lgp1 was used to model the objectives such as: avoidance of shortage or surplus of demand, access to maximum of income, using the normal capacity of production and organizing the inventory of warehouse, within the framework of goal constraints like balancing be...