以往活动 - 收藏家会议/大会 in 希腊
GEMIN 2010
We provide the best effective ways to all Mineral, Gemstone, Jewellery and Fossil Companies to increase sales and expand business activities worldwide..
COMPLEXIS - International Conference on Complex Information Systems
COMPLEXIS – The International Conference on Complexity, Future Information Systems and Risk, aims at becoming a yearly meeting place for presenting..