https://book.pbru.ac.th/cgi-bin/koha/opac-search.pl?q=ccl=an%3A40718&sort_by=relevance&format=rss 4 0 50 ISBN:0669074217 https://book.pbru.ac.th/cgi-bin/koha/opac-detail.pl?biblionumber=15473 ]]> By Rucker, Walter E..
Massachusetts : D.C.Heath, 1985 .
474 p. : 0669074217

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]]> https://book.pbru.ac.th/cgi-bin/koha/opac-detail.pl?biblionumber=15473 ISBN:0669041629 (1983) | 066996297 (1975) https://book.pbru.ac.th/cgi-bin/koha/opac-detail.pl?biblionumber=15661 By Rucker, Walter E..
Massachusetts : D.C.Heath, 1983 .
443 p. : 0669041629 (1983) | 066996297 (1975)

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]]> https://book.pbru.ac.th/cgi-bin/koha/opac-detail.pl?biblionumber=15661 ISBN:0669102717 https://book.pbru.ac.th/cgi-bin/koha/opac-detail.pl?biblionumber=17184 ]]> By Rucker, Walter E..
Toronto : D.C.heath and company, 1987 .
396 p : 0669102717

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