http://catalog.abu.edu.ng/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Penrose%2C%20L.%20S.%22&sort_by=relevance&format=rss 2 0 50 ISBN:283352655 http://catalog.abu.edu.ng/cgi-bin/koha/opac-detail.pl?biblionumber=2629 By Penrose, L.S..
London Sidgwick & Jackson 1972 .
xx, 416p.: ill., diagr., table , Include bibliographical references and index 283352655

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]]> http://catalog.abu.edu.ng/cgi-bin/koha/opac-detail.pl?biblionumber=2629 ISBN: http://catalog.abu.edu.ng/cgi-bin/koha/opac-detail.pl?biblionumber=55466 By Penrose, L. S..
London : Heinemann Educational Books, 1959 .
x, 150p.: ill

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