By Lema M.   Cebert E.   Sapra V.   in Journal of Sustainable Agriculture

ISSN:1044-0046|26|3|95-105

Haworth Press‎(2005)‎

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By Lema M.   Cebert E.   Sapra V.   in Journal of Sustainable Agriculture

ISSN:1044-0046|23|4|133-145

Haworth Press‎(2004)‎

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By Zhang K.   Soliman K.M.   Sapra V.T.   in Biologia Plantarum

ISSN:0006-3134|40|1|43-53

Springer Publishing Company ‎(1997)‎

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