Jorj Kalas Qazaqstanǵa keldi
Mineralogiia, shikizat fizikasy men ǵarysh himiiasy boiynsha Frantsiia ǵylym qairatkeri, Per jáne Mari Kiýri ý...
9 maýsym 2016
Osy teg boiynsha jariialanǵan materialdar.