O`zbekiston respublikasi oliy va o`rta maxsus ta`lim vazirligi namangan davlat universiteti

1.www.google.uz 

2.

www.arxiv.uz

 

3.

www.referat.uz

 

4. 

http://shkola13.uz/bezopasnostuz.html

 

5.http://hozir.org/alisher-navoiy-nomidagi-samarqand-davlat-universiteti-

musiqa-b.html?page=5 

6. 

http://www.ilmiy-lugat.uz/web/search

? 

category=8&search=Elektr+toki&lang%5B0%5D=1 

0&lang%5B1%5D=9&lang%5B2%5D=6&lang%5B3%5D=8 

7.http://hozir.org/inson-organizmiga-elektr-tokining-tasiri-shoshilinch-tibbiy-

yo.html 

8.

 

http://hozir.org/alisher-navoiy-nomidagi-samarqand-davlat-universiteti-

musiqa-b.html?page=5