Congratulations to outstanding students from Paññāsāstra International School (PSIS) to 13th International Earth Science Olympiad (IES0 2019) which will be held from August 26th to September 3rd, 2019 in Daegu, Republic of Korea.
Congratulations to outstanding students from Paññāsāstra International School (PSIS) to 13th International Earth Science Olympiad (IES0 2019) which will be held from August 26th to September 3rd, 2019 in Daegu, Republic of Korea.