Since .rar is a compressed folder format, these files typically contain the full text or supporting materials for these specific academic articles. To help you find the right text,
The file appears to be an archived document associated with academic publications from South Kazakhstan State University (M. Auezov SKSU) . 21007.rar
Based on the university's "Alma-mater" repository, this specific file ID is linked to two different scholarly works: 21007.rar