Ulat mula sa Technical Advisory Group, na may pamagat na "Effectiveness of non-pharmaceutical interventions in the local health protection zones and the firebreak in Wales" na may petsang 13/11/2020.
Ulat mula sa Technical Advisory Group, na may pamagat na "Effectiveness of non-pharmaceutical interventions in the local health protection zones and the firebreak in Wales" na may petsang 13/11/2020.