KINITI, "Current technique in Airconditioning using Heat-pump" Research Report Vol.85, 1992.
J. H. Cha, "Heat-pump for Refrigeration and Air-conditioning", 2004, Current technique Report, Korea Institute of Industry and Technology Information.
D. A. Reay, "Compact heat exchangers, enhancement and heat pumps", Int. J. Refrigeration, vol.25, June 2002.
S. D. Kim, Y. S .Kim, W. J. Lee "Empirical Analyses of the Effect of DSM on Peak Time Power Demand in Korea", Environmental and Resource Economics Review, Volume 17, Number 2, June 2008 pp.213-233.
W. C. Yun, Y. H. Sonn, "The Economic Comparison of EHP and GHP for Medium Capacity Air-conditioning ", Environmental and Resource Economics Review Volume 20, Number 2, June 2011 pp. 381-398.
C. G. Moon, S. D. Kim "An Application of the Multilevel Model Estimation and Prediction of the Heat Load Profile Using Weather and Heating/ Cooling Data", Environmental and Resource Economics Review Volume 16, Number 4, December 2007 pp. 803-832.
Y. S. Jang, B. H. Kang, "Contribution rate analysis of Multi-Heatputm System during to Peak Power during Winter Season", Journal of Air-Conditioning and Refrigeration Volume 39, No.11, Nov. 2010, pp.17-21.
J.S. Song, "Simulation on the Performance of a Multi-type Heat-pump System with a Variation of Pipe Length and Height", Thesis for M. Sc. Eng Korea Univ. 2006.
K. M. Yeo, "The Heat-pump Superheat Control by using an IntelligentAlgorithm" Thesis for M. Sc. Eng Kookmin Univ.2012.
H. B. Choi, J. C. Lee, A. N. Kang, "Study on the Smart Energy Management Through the Peak Energy Monitoring and Load Controls by Level" The Journal of KIIT, Volume11, No. 1, 2013, pp.35-40.
D. H. Lee, "A study on performance improvement of air conditioner adopting condensed refrigerant bypass method", Thesis for M. Sc. Eng Chung Ju Univ, 2009.