Ph.D., Soil Science
, Colorado State University, Fort Collins, Colorado. 1998.
: Aggregate and Soil Organic Matter Fraction Dynamics in Agroecosystems.
M.Sc. Bio Engineering
, Katholieke Universiteit Leuven, Belgium. 1995.
: Soil Science; Minor: Tropical Agriculture.
: Soils and Land Use in the Eastern Region of South Vietnam and Lam Dong Province.