On the Weak Solution of the Compound Ultra-hyperbolic Equation

Forests and Water in Northern Thailand

Seasonal Changes in Soil Ammonium and Nitrate in Relation to Crop Production

Predicting Soil Properties from Landscape Attributes with a Geographic Information System

Improvment of Consumer's Understanding of Drug Leaflet Content

Development and Management of Tourism Products: The Thai Experience

Redefining Regional Development in Sri Lanka: Realities and Challenges