Isichei, A. O. (2014). Nitrogen Concentration in the Major Grasses of the Derived and Guinea Savanna Zones of Nigeria in Relation to Season and Site.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Isichei, Augustine O. Nitrogen Concentration in the Major Grasses of the Derived and Guinea Savanna Zones of Nigeria in Relation to Season and Site. 2014.
MLA -ийн эшлэл (9 дэх хэвлэлт)Isichei, Augustine O. Nitrogen Concentration in the Major Grasses of the Derived and Guinea Savanna Zones of Nigeria in Relation to Season and Site. 2014.
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