Agricultural development in Indonesia: current problems,issues and polices
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Boken, Vijendra K.
Monitoring and predicting agricultural drought: a global study
Oxford University Press, 2005
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The study of society : methods and problems
edited by F.C. Bartlett
Kegan Paul, Trench, 1946
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Yudelman, Montague
Africans on the land : economic problems of african agricultural development in Southeren,Central, and East Afric, Whit special reference to Southern Rhodesia
Harvard University Press , 1975
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Barnes, Ralph M. (Ralph Mosser)
Motion and time study : problems and projects
John Wiley & Sons, 1949
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