Kariyawasam, Dayananda, Faculty of Agrlcullure, University of Ruhuna, Sri Lanka

• Proceedings of International Forestry and Environment Symposium 2002: Sustainable Environmental Management Towards a Better Quality of Life - Forestry and Natural Resource Management
  LOCAL TOURISTS OF RUHUNA (YALA) NATIONAL PARK: ZONAL VISITATION, TRAVEL COST A~ID WILLINGNESS TO PAY
  Abstract  PDF