By Hill Retha   in Journal of Forestry

ISSN:0022-1201|89|1|30-31

Society of American Foresters‎(1991)‎

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By Warnicke Retha   in Moreana

ISSN:0047-8105|22(Number87-88)|3-4|5-13

Edinburgh University Press‎(1985)‎

Access to resources Favorite 11.819581

By Warnicke Retha   in Moreana

ISSN:0047-8105|20(Number79-80)|3-4|5-14

Edinburgh University Press‎(1983)‎

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By Finestone Nicozaan   Snyman Retha   in Journal of Knowledge Management

ISSN:1367-3270|9|3|128-141

Emerald Group Publishing Ltd‎(2005)‎

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By Cloete Marian   Snyman Retha   in Aslib Proceedings: new information perspectives

ISSN:0001-253X|55|4|234-242

Emerald Group Publishing Ltd‎(2003)‎

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By Mphidi Hamilton   Snyman Retha   in The Electronic Library

ISSN:0264-0473|22|5|393-400

Emerald Group Publishing Ltd‎(2004)‎

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By Warnicke Retha M.   in Moreana

ISSN:0047-8105|19(Number74)|2|47-56

Edinburgh University Press‎(1982)‎

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Darwin's Orchids‎

By Retha Edens-Meier  

ISBN:9780226173641

University of Chicago Press‎(2014)‎

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By Snyman Retha   Kruger Cornelius Johannes   in Journal of Knowledge Management

ISSN:1367-3270|8|1|5-19

Emerald Group Publishing Ltd‎(2004)‎

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By Rooi Hazel van   Snyman Retha   in Aslib Proceedings: new information perspectives

ISSN:0001-253X|58|3|261-271

Emerald Group Publishing Ltd‎(2006)‎

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