1 |
Bakken, S. R.(1986) Tree Hazard Control Program: Guidelines and Standards for the California Department of Parks and Recreation. The Resources Agency. Sacramento. CA.
|
2 |
Cho, M. C.(2010) A Study on Application and Development of Health Index for Old and Big Trees. Master Dissertation, The Graduate School Gyeongsang National University. Korea.
|
3 |
Heo, B. S., H. J. Kim, W. H. Lee and H. J. Kang(2011) Growth conditions and maintenance of natural monument old big trees in Gangwondo. National Research Institute of Cultural Heritage 44(1): 182-195.
|
4 |
Hickman, G. W., E. Perry and R. Evens(1995) Validation of a tree failure evaluation system. Journal of Arboriculture 21(5): 233- 234.
|
5 |
Im, E. A., K. C. Son and J. K. Kam(2012) Development of elements of horticultural therapy evaluation indices(HTEI) through Delphi method. Korean Journal of Horticultural Science & Technology 30(3): 308-324.
DOI
|
6 |
Jung, J. S.(2008) A Study on the Surgery Condition and Conservation Management Measures in Old Trees. Ph.D. Dissertation, The Graduate School Sangmyung University.
|
7 |
Jung, K.(2009) A Study on the Improvement of Surrounding Environment through the Analysis of Growth Environment for Old Big Trees: Focused on Precious Natural Treasures and the Ginko and Pine Trees Designated as Treasures by Cities and Counties. Master Dissertation, The Graduate School Sangmyung University. Korea.
|
8 |
Kang, B. G.(2014) The Assessment of Tree Risk of Mulgun-ri Forest (Monument No. 150) of Namhae in Korea. Master Dissertation, The Graduate School Gyeongnam National University. Korea.
|
9 |
Kim, D. I.(2011) A Study on Growth Environment and Management of Urban Forests in Daejeon City. Ph.D. Dissertation, The Graduate School Chungnam National University. Korea.
|
10 |
Kim, S. H. and S. H. Kim(1995) A study on the protection trees concerning the present condition and the citizen's consciousness in Pusan. DEPRI 18(1): 121-140.
|
11 |
Lee, K. J.(2015) Arbor Medicine. Seoul University Press.
|
12 |
Kim, Y. S., W. H. Lee, J. W. RA and Y. H. Yoon(1996) Study on the protection and practical use of big and old tree. Journal of Korean Institute of Traditional Landscape Architecture 14(2): 1-17.
|
13 |
Lawshe, C. H.(1975) A quantitative approach to content validity. Personnel Psychology 28: 563-575.
DOI
|
14 |
Lee, J. S.(2001) Research Method 21: Delphi Method. Seoul: Kyoyookbook.
|
15 |
Lee, K. S., T. H. Kim, T. H. Kim and S. H. Park(2016) Analysis of risk factor for sinkhole formation by using Delphi. The Korea Contents Society 16(4): 65-75.
|
16 |
Paine, L. A.(1978) Coding Hazardous Tree Failures for a Data Management System. Pacific Southwest Forest Range and Exp. Sta., U.S. Forest Service Note PSW-29.
|
17 |
Shin, H. S.(2017) Study on the Growth Condition and Potential Risks of Old Trees. Ph.D. Dissertation, The Graduate School Gyeongsang National University. Korea.
|
18 |
Yu, W. D.(2015) The Establishment of Historic City on Attractions. Ph.D. Dissertation, The Graduate School Dongguk University. Korea.
|
19 |
Yang, J. Y.(2015) A Study on Plants in the Rear Garden of Changdeokgung Palace. Master Dissertation, The Graduate School Korea University. Korea.
|
20 |
Yoo, S. H.(2001) Soil Dictionary. Seoul University Press.
|
21 |
http://www.bjyl.gov.cn (Evaluation Standard of Old Trees).
|