Isichei, A. O. (2014). Impact of Overgrazing on Agricultural and Rangelands. Unesco.
Chicago-čujuhus (17. p.)Isichei, A. O. Impact of Overgrazing on Agricultural and Rangelands. Unesco, 2014.
MLA-čujuhus (9. p.)Isichei, A. O. Impact of Overgrazing on Agricultural and Rangelands. Unesco, 2014.
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