https://opac.ru.ac.bd/cgi-bin/koha/opac-search.pl?q=ccl=an%3A153818&sort_by=relevance&format=rss 2 0 100 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=51421 By Hays, William L..
California : Brooks Cole Pub. Co, 1967 .
viii, 117 p. , Issued with various printing dates. 22 cm..

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]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=51421 ISBN:0030118859 https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=51517 ]]> By Hays, William L..
New York : Holt, Rinehart & Winston, 1963 .
xvi, 710 p. : , Includes index 24 cm..
0030118859

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