Volume 23, Issue 2, December 2017, Pages 98-101
Dilarom Tajetdinova
Volume 23, Issue 2, December 2017, Pages 102-105
Usmonov Mansur
Volume 23, Issue 1, July 2017, Pages 72-75
Elyor Mustafaev
Volume 17, Issue 2, December 2011, Pages 243-238
Komiljon Sh. Tojibaev