A Survey on the Visitor's Cognition of Visitor Reservation System in National Park - The Case Study of Soraksan National Park -
Korean Journal of Environment and Ecolog Vol.17 1 (2003.04) pp.92-100
A Survey on the Visitor's Cognition of Admission fee in National Park - The Case Study of Songnisan National Park -
Korean Journal of Environment and Ecolog Vol.16 3 (2002.12) pp.261-270