D. Campbell
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H. Gichohi,
D. Campbell,
A. Mwangi,
2000
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D. Campbell,
1986
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B. Pijanowski,
B. Lofgren,
N. Moore,
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David J. Campbell,
Jennifer Olson,
J. Olson,
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David J. Campbell,
Jianjun Ge,
Jiaguo Qi,
2008
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David J. Campbell,
David P. Lusch,
T. Smucker,
2005
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David J. Campbell,
Jennifer Olson,
J. Olson,
2004
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T. J. Flynn,
S. Davis,
D. Campbell,
1985
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D. Campbell,
1984
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D. Campbell,
1986
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D. Trechter,
D. Campbell,
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Social science & medicine.
E. S. Mbugua,
D. Campbell,
E. Mbugua,
1978
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D. Campbell,
J. Riddell,
1984
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D. Campbell,
A. Majule,
Mbonile M. J,
2003
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D. Campbell,
T. Matiza,
L. Zinyama,
1988
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D. Campbell,
T. Matiza,
L. Zinyama,
1988
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D. Campbell,
A. Majule,
M. Mbonile,
2009
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D. J. V. Campbell,
D. Campbell,
1993
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D. Campbell,
T. Matiza,
L. Zinyama,
1990
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D. Campbell,
2010,
Environmental science & technology.
J. Messina,
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D. Campbell,
2012,
Applied geography.
Response to drought in Maasailand: pastoralists and farmers of the Loitokitok area, Kajiado District
D. Campbell,
1979
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D. Campbell,
1978
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David J. Campbell,
D. Campbell,
1990
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D. Campbell,
T. Matiza,
L. Zinyama,
1990
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D. Campbell,
2001
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N. P. Board,
D. Campbell,
A. Paton,
1993
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David J. Campbell,
Bryan C. Pijanowski,
C. Washington-Ottombre,
2010
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D. Campbell,
J. Riddell,
1986,
African Studies Review.
W. Black,
R. Forster,
D. Campbell,
1983,
Journal of chromatography.
D. Campbell,
1977
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J. Olson,
S. Misana,
D. Campbell,
2005
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R. Reid,
H. Gichohi,
B. Butt,
2004
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David J. Campbell,
Jennifer Olson,
J. Olson,
2007
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D. J. Thom,
D. Campbell,
F. E. Bernard,
1989,
National geographic research.
David J. Campbell,
D. Campbell,
Larry S. Lev,
1987
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D. Campbell,
1999
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David J. Campbell,
Bryan C. Pijanowski,
Kostas Alexandridis,
2007
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D. Kargbo,
D. Campbell,
Ron G Wilhelm,
2010,
Environmental science & technology.
David J. V. Campbell,
D. Campbell,
2000
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R. Reid,
H. Gichohi,
D. Campbell,
2002
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