#3189721
Le fáil ag https://oec.world/en/profile/bilateral-product/nitrogen/reporter/sgp agus https://oec.world/en/profile/bilateral-product/oxygen/reporter/sgp, arna gceadú an 15 Meán Fómhair 2023.
Available at https://oec.world/en/profile/bilateral-product/nitrogen/reporter/sgp and https://oec.world/en/profile/bilateral-product/oxygen/reporter/sgp, consulted on 15 September 2023.