дэлгэрэнгүйг:
https://catalog.must.edu.mn/cgi-bin/koha/opac-detail.pl?biblionumber=113539&query_desc=kw%2Cwrdl%3A%20%D0%B3%D0%B0%D0%BB%20%D1%82%D0%BE%D0%B3%D0%BE%D0%BE%D0%BD%D1%8B