| http://www.w3.org/ns/prov#value | - He has also been working as independent consultant/expert for several international organizations including the World Bank, UNDP, UNEP, UNESCO, UNCCD, GEF. In 1996, he gained the Doctor of Biology degree in Desertification and soil evolution in dry areas??? and in 1988 a Ph.D. degree in ???Soil alkalinity phenomenon and its diagnostics???.
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