https://opac.ru.ac.bd/cgi-bin/koha/opac-search.pl?q=ccl=an%3A27447&sort_by=relevance&format=rss 3 0 100 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=8830 By Churchill, Ruel V..
New York; | London: McGraw-Hill book company, inc., 1941 .
ix, 206 p. 23 cm..

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]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=8830 ISBN:070108412 https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=10062 By Churchill, Ruel V..
New York : McGraw-Hill, 1969 .
viii, 248 p. : 23 cm..
070108412

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]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=10062 ISBN:0070108439 https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=10547 ]]> By Churchill, Ruel V..
New York : McGraw-Hill, 1978 .
viii, 271 p. ; , Includes index. 24 cm..
0070108439

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