3rd Scientific Forum on Natural Stones Opportunities and Challenges, خرداد ماه ۱۳۸۸

3rd Scientific Forum on Natural Stones Opportunities and Challenges

3rd Scientific Forum on Natural Stones Opportunities and Challenges

3rd Scientific Forum on Natural Stones Opportunities and Challenges In date 2009-05-27 by ,دانشگاه پيام نور مركز محلات in City Mahallat was held.