By Gebre-Mariam Zinabu   Desta Zerihun   in SINET: Ethiopian Journal of Science

ISSN:0379-2897|25|2|263-274

Faculty of Science, Addis Ababa, Ethiopia‎(2002)‎

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By Desta Zerihun H.   Oba G.   in Outlook on Agriculture

ISSN:0030-7270|33|4|277-280

IP Publishing Ltd‎(2004)‎

Access to resources Favorite 15.328496