Locman.kz

- 29


: 9 COVID ""

$
€
P


"" "",








7








13
37%








8
. - 10- ,
"".








9
, ,
196 .








6
" ", -
Facebook,








6
29
.








10
()








7
, , . -
Phys.org








14
, ,








9
...




3.047 . 		- - .
Copyright 2007-2015 All Rights Reserved