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کنفرانس ها
2nd International Conference on Leadership, Business ,management ,social Science and Economics (lbmsse)

2nd International Conference on Leadership, Business ,management ,social Science and Economics (lbmsse)

2nd International Conference on Leadership, Business ,management ,social Science and Economics (lbmsse)

17 - 17 اردیبهشت 1399

Phuket, تایلند