1.		Preferences and willingness to pay for bird-watching tour and interpretive services using a choice experiment / Choong-Ki Lee [et al.] Resp- Sec.: Choong-Ki, Lee Jin-Hyung, Lee Tae-Kyun, kim Mjelde, James W. COTA(S): RE-926
2.		Preferences and willingness to pay for bird-watching tour and interpretative services using a choice experiment / Choong-Ki Lee [et al.] Resp- Sec.: Choong-Ki, Lee Jin-Hyung, Lee Tae-Kyun, kim Mjelde, James W. COTA(S): RE-926
3.		Thanatourism or peace tourism: perceived value at a North Korean resort from an indigenous perspective / Choong-Ki Lee [et al] Resp- Sec.: Choong-Ki, Lee Brendle, Lawrence J. Yoo-Shik, Yoon Myung-Ja, Kim COTA(S): RE-1610