https://opac.lib.sltc.ac.lk/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AHawkes%20Learning%20Systems&sort_by=pubdate_asc&format=rss 4 0 50 ISBN:0918091861 https://opac.lib.sltc.ac.lk/cgi-bin/koha/opac-detail.pl?biblionumber=209 ]]> By Hawkes, James S..
United States of America Hawkes Learning Systems 2005 .
xx,952 p. 26 cm.
0918091861

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]]> https://opac.lib.sltc.ac.lk/cgi-bin/koha/opac-detail.pl?biblionumber=209 ISBN:9780918091956 https://opac.lib.sltc.ac.lk/cgi-bin/koha/opac-detail.pl?biblionumber=779 ]]> By Wright, D.Franklin.
America Hawkes Learning Systems 2008 , Calculus 9780918091956

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]]> https://opac.lib.sltc.ac.lk/cgi-bin/koha/opac-detail.pl?biblionumber=779 ISBN: https://opac.lib.sltc.ac.lk/cgi-bin/koha/opac-detail.pl?biblionumber=921 By Sisson, Paul.
USA Hawkes Learning Systems 2008 , Algebra

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]]> https://opac.lib.sltc.ac.lk/cgi-bin/koha/opac-detail.pl?biblionumber=921 ISBN:9781932628432 https://opac.lib.sltc.ac.lk/cgi-bin/koha/opac-detail.pl?biblionumber=1819 ]]> By Wright, D Franklin.
Charleston Hawkes Learning Systems Inc 2011 .
968p. 9781932628432

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