/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Penny%2C%20David%20Harry.%22&sort_by=relevance&format=rss 3 0 50 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=84154 By Penny, David Harry..
[Medan? 1964 .
13 l. , Caption title. 28 cm..

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]]> /cgi-bin/koha/opac-detail.pl?biblionumber=84154 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=85122 By Penny, David Harry..
Bogor, Panitia Seksi Dokumentasi, Survey Agro Ekonomi, 1967 .
7 p. , "Kutipan dari The transition from subsistence to commercial family farming in North Sumatra." 32 cm..

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]]> /cgi-bin/koha/opac-detail.pl?biblionumber=85122 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=88893 By Penny, David Harry..
[Medan? 1962 .
16 p. , At head of title: Planters Conference, 1962. | Cover. 33 cm..

]]> Place hold on The role of efficiency research in the improvement of estate management

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