16-19th, Cuaj Hlis, 2019, peb nyob hauv KHIMIA ntawm Russia
Rooj Muag Khoom Naj Npawb: 22E24
Lub sijhawm tshaj tawm: Lub Rau Hli-08-2019
KHIMIA Kev Nthuav Qhia Xyoo 2019
Lub sijhawm tshaj tawm: Lub Rau Hli-08-2019
16-19th, Cuaj Hlis, 2019, peb nyob hauv KHIMIA ntawm Russia
Rooj Muag Khoom Naj Npawb: 22E24