https://opac.ru.ac.bd/cgi-bin/koha/opac-search.pl?q=ccl=an%3A13144&sort_by=relevance&format=rss 2 0 100 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=4142 United Kingdom: P.S. King & sons, 1938 .
258 p. : , At head of title: International labour office ... | "Originally prepared and distributed in proof as a 'white' report, intended to serve as a basis for discussion at the Technical tripartite conference on the coal-minimg industry ... in Geneva in May 1938." 24 cm..

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]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=4142 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=83805 By Rahman, Md. Jasibar.
Rajshahi : Department of Zoology, Rajshahi University, 1995 .
xiii, 228 leaves : 30.cm..

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