Dáýlet Asanov, ekolog: Maraldydaǵy tsianittiń qorshaǵan ortaǵa ziiany joq
Tsianid qospasy arqyly altyn óndirýdi Qazaqstanda oilap tapqan joq, bul tehnologiia ótken ǵasyrdyń ortasynan b...
16 mamyr 2024