The ministry of higher and secondary education of the republic of uzbekistan pedagogical institute of karshi state university

Internet key 
1.
 
https://www.ets.org/toefl/test-takers/ibt/prepare/tests/listening/
  
2.
 
https://www.researchgate.net/publication/248951780_Analysing_Tests_of_Readin
g_and_Listening_in_Relation_to_the_Common_European_Framework_of_Refere
nce_The_Experience_of_The_Dutch_CEFR_Construct_Project
  
3.
 
https://www.ielts.org/for-organisations/ielts-scoring-in-detail
  
4.
 
https://takeielts.britishcouncil.org/teach-ielts/test-information/assessment
  
5.
 
https://educationalresearchtechniques-com.cdn.ampproject.org
  
6.
 
http://rbte494assessments.weebly.com/listening.html