University of Tehran Press Iranian Journal of Agricultural Economics and Development Research 2008-4838 2-40 4 2010 01 21 An Analysis of Factors Affecting Improvement of Management and Performance of Industrial Aviculture in Kermanshah County An Analysis of Factors Affecting Improvement of Management and Performance of Industrial Aviculture in Kermanshah County 20524 FA Ali Asghar Mirak Zadeh Mahdi Karami Dehkordi Abdolhamid Papzan Journal Article 1970 01 01 Aviculture improvement Kermanshah performance Productive unites https://ijaedr.ut.ac.ir/article_20524_2580956af8b86d0818bdee9dd826464b.pdf