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by International Institute of Tropical Agriculture.; Lal, R.; Greenland, D. J.;
Year: 1979., Callno: 631.43 SOI
Book
by Workshop on the Ecological Foundations of Sustainable Agriculture (2nd : 1992 : Budapest, Hung.); Greenland, D. J.; Szabolcs, I. (Istvan);
Year: c1994., Callno: 631.43 SOI
Book
by Greenland, D.J. (David J.), 1940-; Hayes, M. H. B. (Michael Hilary Bermingham), 1930-;
Year: c1978., Callno: 631.41 CHE
Book