World Congress 2021
The World Congress XXVI will be held in Singapore from 30 May to 4 June 2021.
World Congress 2018
The World Congress XXV will convene in Pragure, Czech Republic from 3 to 8 June 2018.
The World Congress XXVI will be held in Singapore from 30 May to 4 June 2021.
The World Congress XXV will convene in Pragure, Czech Republic from 3 to 8 June 2018.