Canal SolSystem45 / YouTube. DCEN US/Serbia Webinar, Advanced Wastewater Treatment & River Restoration (George Hawkins).
Chicago-čujuhus (17. p.)Canal SolSystem45 / YouTube. DCEN US/Serbia Webinar, Advanced Wastewater Treatment & River Restoration (George Hawkins).
MLA-čujuhus (9. p.)Canal SolSystem45 / YouTube. DCEN US/Serbia Webinar, Advanced Wastewater Treatment & River Restoration (George Hawkins).
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.