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- A Study on the Early Warning Model of Crude Oil Shipping Market Using Signal Approach
- Bong Keun Choi, Dong-Keun Ryoo
- J Navig Port Res. 2023;47(3):167-173. Published online July 8, 2023
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- The Economic Cycle and Contributing Factors to the Operating Profit Ratio of Korean Liner Shipping
- Ick-soo Mok, Dong-keun Ryoo
- J Navig Port Res. 2022;46(4):375-384. Published online August 31, 2022
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- A Study on Financial Ratios Change of Korean Dry Bulk Shipping Firms before and after the 2008 Global Financial Crisis
- In-Seong Cho, Dong-Keun Ryoo, Ki-Hwan Lee
- J Navig Port Res. 2020;44(3):244-252. Published online June 1, 2020
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- A Comparative Analysis of the Forecasting Performance of Coal and Iron Ore in Gwangyang Port Using Stepwise Regression and Artificial Neural Network Model
- Sang-Ho Cho, Hyung-Sik Nam, Ki-Jin Ryu, Dong-Keun Ryoo
- J Navig Port Res. 2020;44(3):187-194. Published online June 1, 2020
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- A Study on Analysis of Container Liner Service Routes Pattern Using Social Network Analysis : Focused on Busan Port
- Ki-Jin Ryu, Hyung-Sik Nam, Sang-Ho Jo, Dong-Keun Ryoo
- J Navig Port Res. 2018;42(6):529-538. Published online December 1, 2018
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- A Study on Early Warning Model in the Dry Bulk Shipping Industry by Signal Approach
- Jeong-No Yun, Ga-Hyun KIm, Dong-Keun Ryoo
- J Navig Port Res. 2018;42(1):57-66. Published online February 1, 2018
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- The Impact of Service Quality in the Port Logistics on Customer Satisfaction, Port Image and Relation Continuity Intention: Focused on Busan Port
- Ga-Hyun KIm, Dong-Keun Ryoo
- J Navig Port Res. 2017;41(6):423-436. Published online December 1, 2017
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- A Study on Korean Seafarer’s Perceptions Towards Unmanned Ships
- Enrico D’agostini, Dong-Keun Ryoo, So-Hyun Jo
- J Navig Port Res. 2017;41(6):381-388. Published online December 1, 2017
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- A Study on Socio-Economic Effects of Italian Ports
- Enrico D’agostini, Dong-Keun Ryoo
- J Navig Port Res. 2017;41(4):243-250. Published online August 1, 2017
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- A Study on the Performance Comparison of Container Terminal Operators in Busan Port and Shanghai Port
- A-Rom Kim, Dong-Keun Ryoo
- J Navig Port Res. 2016;40(3):139-146. Published online June 1, 2016
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- The Effects of the Port Logistics Industry on Port City’s Economy
- Sang-Yeol Kim, Ho Park, Han-Mo Koo, Dong-Keun Ryoo
- J Navig Port Res. 2015;39(3):267-275. Published online April 1, 2015
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- A Study on the Evaluation of Improvement Factors of Tug Services in Korea
- Young-Hun Yeou, Dong-Keun Ryoo
- J Navig Port Res. 2013;37(5):559-565. Published online October 31, 2013
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- A Study on Stabilizing Container Terminal Market in Busan Port
- Dong-Keun Ryoo, Jin-Yi Choi, Tae-Goun Kim
- J Navig Port Res. 2012;36(10):895-904. Published online December 31, 2012
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- A Management Efficiency Analysis of Container Terminal Operators
- Hyun Goo Kang, Dong-Keun Ryoo, Bo-Ra Sohn
- J Navig Port Res. 2012;36(6):527-534. Published online August 31, 2012
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- A Study on Drawing Priority of Competitiveness Factors of Ship Management Company in Korea Using AHP
- Chang-Ho Lee, Dong-Keun Ryoo, Bo-Ra Sohn, Young-Joon Seo
- J Navig Port Res. 2010;34(3):243-249. Published online April 30, 2010
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Journal of Navigation and Port Research
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Online ISSN: 2093-8470
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