This paper presents a study on cluster development of Zinc industry in Zanjan province. The industrial clusters are a model of industrial organization which has entered in industrial development literature through recent decades as one of the newest strategies for regional development. The...

Groundnut an oilseed crop is highly grown under arid and rainfed conditions with zinc deficiency which is an zinc responsive crop. The deficiency occurs as a result of no application of organic manures and dependence of high analysis fertilizer. Zinc as a cofactor of many enzymes, enhances...

Non-ferrous metals are widely used as basic materials in various industrial fields, and zinc is a metal that is produced and used next to iron, aluminum, and copper. In this study, DEA (data envelopment analysis) was applied to measure the efficiency of 43 zinc smelters in three countries in...