The Economic Value of Modularity in the IPQoS Network: The Real Options Approach (ROA). - Hak Ju Kim (Int. J. Bus. Data Commun. Netw., 2006)

Suitability of IP telephony in the Public Switched Telephone Network (PSTN): A Case Study. - Hak Ju Kim (Int. J. Bus. Data Commun. Netw., 2007)

Real Options: Strategic Technology Migration Options in Wireless Industry. - Hak Ju Kim (AMCIS, 2008)

IP telephony in the enterprise network: comparing operating costs of PSTN and IP network. - Hak Ju Kim (Int. J. Bus. Inf. Syst., 2008)

New accounting system for the QoS-enabled multiservice internet: technical overview. - Hak Ju Kim (Int. J. Bus. Inf. Syst., 2009)

Strategic Technology Options in the Wireless Industry: A Case Study for U.S. Wireless Carriers. - Hak Ju Kim; Marin B. Weiss; Benoit Morel (Int. J. Interdiscip. Telecommun. Netw., 2009)

Real options and technology management: Assessing technology migration options in wireless industry. - Hak Ju Kim; Martin B. H. Weiss; Benoit Morel (Telematics Informatics, 2009)

Forecasting the evolution of wireless technologies: the Loglet analysis approach. - Hak Ju Kim (Int. J. Bus. Inf. Syst., 2012)

Big data: web-crawling and analysing financial news using RapidMiner. - Jesse Lane; Hak Ju Kim (Int. J. Bus. Inf. Syst., 2015)

Improving the Accuracy of Vehicle Position in an Urban Environment Using the Outlier Mitigation Algorithm Based on GNSS Multi-Position Clustering. - Hak Ju Kim; Yong Hun Kim 004; Joo Han Lee; So Jin Park; Bo Sung Ko; Jin Woo Song (Remote. Sens., 2023)