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h tiessen
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Managing organic matter in tropical soils
Christopher Martius, H. Tiessen, Paul L. G. Vlek · Springer
321 sayfa · 2000
Congresses / Soil management / Humus / Control / Propagation
Farmer bargaining behavior in purchasing machinery and fertilizer
James H. Tiessen · Dept. of Agricultural Economics and Business, University of Guelph
42 sayfa · 1992
Agricultural machinery / Attitudes / Farmers / Fertilizers / Negotiation
Canadian small and medium-sized enterprises in Japan
James H. Tiessen · Canada-Japan Trade Council
33 sayfa · 1999
Commerce / Exports / International business enterprises / Small business