<![CDATA[University of Zambia Library Search for 'au:"Drooyan, Irving."']]>
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6050Programmed beginning algebra / ISBN
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By Drooyan, Irving..
New York : Wiley, 1963
]]>/cgi-bin/koha/opac-detail.pl?biblionumber=142624A programmed introduction to number systems ISBN
/cgi-bin/koha/opac-detail.pl?biblionumber=142635
By Drooyan, Irving..
New York, Wiley 1964
]]>/cgi-bin/koha/opac-detail.pl?biblionumber=143648Programmed beginning algebra / ISBN
/cgi-bin/koha/opac-detail.pl?biblionumber=144645
By Drooyan, Irving..
New York : Wiley, 1963
]]>/cgi-bin/koha/opac-detail.pl?biblionumber=144645A programmed introduction to number systems ISBN
/cgi-bin/koha/opac-detail.pl?biblionumber=144655
By Drooyan, Irving..
New York, Wiley 1964