3rd IRCMALS 2019 Seoul
14th ICLICE 2019 Seoul
2nd ICOLET 2019 Osaka
13th ICLEHI 2019 Osaka
3rd IMELT 2019 Singapore
13th ICLLCE 2019 Singapore
2nd IRCMALS 2019 Bangkok
13th ICLICE 2019 Bangkok
13th ICLEI 2019 London
1st ICOLET 2019 Hong Kong