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1
Hongik University.Research Institute of Science a, 605-홍737h-CDR | Hongik University:Research Institute of Science and Technology | 2003 605-홍737h-CDR,
2
Colombet, Pierre, 530.455-C718a | Gordon and Breach Science Publ | 1994 530.455-C718a,
3
Jin Soo Han, | The Tourism Sciences Society of Korea | 2000 ,
4
Yong Ki Lee, | The Tourism Sciences Society of Korea | 2000 ,
5
Sung Hyuk Kim, | The Tourism Sciences Society of Korea | 2000 ,
6
Bong Koo Lee, | The Tourism Sciences Society of Korea | 2000 ,
7
Dong Woo Ko, | The Tourism Sciences Society of Korea | 2000 ,
8
Seong Seop Kim, | The Tourism Sciences Society of Korea | 2000 ,
9
10
1
2
3
VSP International Science Publishers [, ]
4
VSP International Science Publishers [, ]
5
VSP International Science Publishers [, ]
6
Lippincott Williams & Wilkins [, ]
7
Archlib & Information Services Ltd. [, ]
8
University of Agricultural Sciences & Veterinary Medicine of Iasi [, ]
9
American Institute for Cancer Research [, ]
10
Agricultural University of Tirana [, ]
11
Elsevier Science [, ]
12
13
American Journal of Biomedical Sciences [, ]
14
Elsevier Science [, ]
15
Blackwell Publishing Limited [, ]
16
Sigma Xi Science Research Society [, ]
17
VSP International Science Publishers [, ]
18
Blackwell Publishing Limited [, ]
19
VSP International Science Publishers [, ]
20
Blackwell Publishing Limited [, ]