the objective of this study was to develop a cost minimizing pattern for cube sugar and sugar transportation from production centers to refinement and storage centers and finally to distribution and consumption  centers in  fars province. producing centers are marvdasht (27.3%), eghlid (27.9%), fasa (11.3%), kavar (7.3%) and mamasani (20.2%). some of the province’s cube sugar and sugar is provi...

Grammatical evolution is an evolutionary algorithm designed to evolve programs in any language. Grammatical evolution operates on binary strings and the mapping of the genotype onto the phenotype (the tree representation of the programs) is provided through the grammar described in the form of production rules. The program trees are constructed in a pre-order fashion, which means that as the ge...

efficiency in agricultural production is indicative of the efficiency level of farm households in their farming activities. farmers in developing countries do not make use of all the potential technological resources, thus making inefficient decisions in their agricultural activities. herein, technical efficiency in relation with the production of three types of rice crop (boro, aus and aman) w...

The coronavirus pandemic has disrupted the world in various ways. Its impact taken a toll on economic well-being of countries worldwide, and affects individuals, families, global community at large. Although gained some level control over spread virus, threat is evident. poses to millions people who are already vulnerable food insecurity, malnutrition, other disasters. In addition, there freque...

• The field of the study is optimization supply chain organization. We consider a cooperation model between manufacturer and 3PL provider. want to minimize inventory costs, transportation costs tardiness penalty costs. propose MILP models three metaheuristic resolution methods compare them. This paper presents two-stage problem at operational level involving third-party logistics provider (3PL ...