https://opac.ru.ac.bd/cgi-bin/koha/opac-search.pl?q=ccl=an%3A6534&sort_by=relevance&format=rss 2 0 100 ISBN:0444109560 (American Elsevier) | 0720428416(North Holland) https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=1985 ]]> By Koehler, Gary..
Amsterdam : | New York : North-Holland Pub. Co. ; | sole distributors for the U.S.A. and Canada American Elsevier Pub. Co., 1975 .
x, 221 p. ; 23 cm..
0444109560 (American Elsevier) | 0720428416(North Holland)

]]> Place hold on Optimization over Leontief substitution systems /

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=1985 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=81052 By جوهري، طنطاوي،Gohary, Tantawi,.
مصر : ع. البابى الحلبى وشركاه، .
88 p. ; 22 cm.

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