https://libcat.egst.edu.et//cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22Operations%20research%22&sort_by=relevance&format=rss 3 0 50 ISBN:0878341072 (pbk.) https://libcat.egst.edu.et//cgi-bin/koha/opac-detail.pl?biblionumber=1503 ]]> By Fisher, Andrew A..
New York, NY : Population Council, 2002 .
xi, 141 p. : 28 cm..
0878341072 (pbk.)

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]]> https://libcat.egst.edu.et//cgi-bin/koha/opac-detail.pl?biblionumber=1503 ISBN:007099319X (paperback) https://libcat.egst.edu.et//cgi-bin/koha/opac-detail.pl?biblionumber=18534 ]]> By Gillett, Billy E..
New Delhi : Tata McGraw-Hill, 1979 .
xiii, 617 p. : 24 cm..
007099319X (paperback)

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]]> https://libcat.egst.edu.et//cgi-bin/koha/opac-detail.pl?biblionumber=18534 ISBN:9788181282828 (paperback) https://libcat.egst.edu.et//cgi-bin/koha/opac-detail.pl?biblionumber=18598 ]]> By Kasana, Harvir Singh..
India : Springer, 2003 .
xi, 581 p. : 24 cm..
9788181282828 (paperback)

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