2019
International Symposium on Ecotechnology 2019 in Phnom Penh (Cambodia) |
2018
International Symposium 2018 in Astana |
2016
International Symposium 2016 in Tashkent |
2014
International Symposium 2014 in Riyadh |
2012
Workshop 2012 in Yangon |
International Symposium 2012 in Jakarta |
2008
International Symposium 2008 in Bangkok |
2007
International Symposium 2007 in New Delhi |
International Symposium 2007 in New Delhi |