References
- An, B.J., Choi, D.H. and Cho, S.T. 2013. Domestic forest biomass energy industry and policy trends. Korea Forest Research Institute. pp. 18.
- Construction Association of Korea. 2015. Apply the first half of 2015, survey report of construction salary (the market wage costs). pp. 17.
- Forestry machine training Center. 1997. Studies on development of thinning mechanization in private forest. Ministry of Agriculture and Forestry. pp. 480.
- Kim, K.U., Kim, K.D., Koo, Y.M. and Park, G.J. 2009. Design of agricultural machinery (I). Munundang. pp. 381.
- Kim J.H. and Park. S.J. 2011. Development of the Semi-Crawler Type Mini-Forwarder(I) -Design and Manufacture-. Journal of Korean Forest Society. 100(2): 154-164.
- Korea Forest Research Institute. 1999. Development of the timber extraction equipment for mountainous conditions in Korea. Ministry of Agriculture and Forestry. pp. 269.
- Korea Forest Research Institute. 2001. Development of the mini forwarder for logging operation. Ministry of Agriculture and Forestry. pp. 186.
- Korea Forest Research Institute. 2003. Development of the Processor Head for Attachment of Excavator. Ministry of Agriculture and Forestry. pp. 315.
- Korea Forest Research Institute. 2006. Development of crawler type mini forwarder for thinning operations. Ministry of Agriculture and Forestry. pp. 194.
- Korea Forest Service. 1999. Direction and utilization of forestry mechanization. pp. 186.
- Korea Forest Service. 2006. Research of policy direction for forestry mechanization and workforce development through monitored. pp. 127.
- Korea Forest Service. 2009. Annual report on forests and forestry trends. pp. 700.
- Korea Forest Service. 2011. Development master plan of timber industry. pp. 98.
- Korea Forest Service. 2013. Development of chip-harvester for the forest biomass. pp. 122.
- Lee, J.S. 2000. Hydraulic and Pneumatic Engineering. Daegwangsulim. pp. 470.
- Mika yoshida and Hideo sakai. 2014. Importance of capital cost reduction of chippers and their required productivity. Journal of Forest Research. 19: 361-368. https://doi.org/10.1007/s10310-013-0426-x
- Nurminen, T., H. Korpunen, and Uusitalo, J. 2006. Time consumption analysis of the mechanized cut-to-length harvesting system. Silva fenn. 40: 335-363.
- Park, S.J. 2002. The development of tower-yarder and grapple saw with shovel type excavator. Journal of Korean Forest Society. 91(3): 355-333.
- Park, S.J. and Kim, B.K. 2008. Development of a mobile tower-yarder with tractor(1) -Design and manufacture-. Journal of Korean Forest Society. 97(1): 61-70.
- Song, T.Y., Park, M.S., Kim, J.W. and Kang, G.W. 1998. Studies on the comparison of the working cost with skidding method far track-type mini skidder. Research of Forest Economic. 6(2): 20-28.
- Spinelli R. and Natascia magagnotti. 2010. Performance and cost of a new mini-forwarder for use in thinning operations. Journal of Forest Research. 15: 358-364. https://doi.org/10.1007/s10310-010-0193-x
- Spinelli R. and Visser R. 2008. Analyzing and estimating delays in harvester operations. International Journal of Forest Engineering. 15: 358-364.
- Sundberg, U. and Silversides, C.R. 1988. Operational Efficiency in forestry. Vol. 1 : Analysis. Kluwer Academic Publishers. Dordrecht, Boston and London. pp. 219.
- Woo, B.M., Park, J.M., Lee, J.W. and Chung, N.H. 1990. A study on economical analysis of yarding operation by cable crane. Journal of Korean Forest Society. 79(4) : 413-418.