- Qhov kev tshwm sim tau dhau los.
Kev tshuaj xyuas ntawm "Pib Pib Ntawm Qhov Kawg Ntawm Cov Riam Phom Nuclear", San José
2 Lub Kaum Hli 2019 @ 16: 00-18:00 EDT
Kev tshuaj xyuas ntawm "Pib Pib Ntawm Qhov Kawg Ntawm Cov Riam Phom Nuclear", ntawm National University of Costa Rica
UNA Heredia 4º Chav Tsev ntawm Chav Rau Kev Tshawb Nrhiav Feem, Chav Kawm 105