C. Sung, A. E. White, N. T. Howard, C. Y. Oi, J. E. Rice, M. L. Reinke, C. Gao, P.  Ennever, M. Porkolab, F. Parra, D. Mikkelsen, D. Ernst, J. Walk, J. W. Hughes, J. H. Irby, C. Kasten, A. E. Hubbard, M. Greenwald and C-  Mod team, 
“Study of Ohmic Energy Confinement transition through Fluctuation Measurements and Gyrokinetic Analyses in Alcator C-Mod,” 
U.S.-E.U. Joint Transport Task Force Workshop, 2013.

C. Sung, A. E. White, N. T. Howard, C. Y. Oi, J. Rice, M. Reinke, C. Gao, J. Walk, J. Hughes, A. Hubbard, P. Ennever, M. Porkolab, M. Greenwald and C-Mod team, 
“First Measurements of Core Electron Temperature Fluctuations    in Alcator C-Mod via Correlation ECE,” 
54th Annual Meeting of the American Physical Society Division of Plasma Physics, 2012. 

C. Sung, A. E. White, J. Irby, R. Vieira, R. Leccacorvi, C. Y. Oi, W. A. Peebles, X. Nguyen, 
“Correlation Electron Cyclotron Emission Diagnostic for Alcator C- Mod: Design and First Results,” 
19th Topical Conference High Temperature Plasma Diagnostics, 2012. 

C. Sung, A. E. White, J. Irby, R. Vieira, R. Leccacorvi, B. Labombard, J.  Gob, W. A. Peebles, X. Nguyen, 
“New Correlation Electron Cyclotron Emission Temperature Fluctuation Diagnostic for Alcator C-Mod,”
 53nd Annual Meeting of the American Physical Society Division of Plasma Physics, 2011. 

 Choongki Sung, Y. S. Park, Hyunyeong Lee, J. Kang and Y. S. Hwang, 
 “Development of Continuous Plasma Merging Scenario for Start-up and Formation of Spherical Tokamak Plasmas,” 
 51st Annual Meeting of the American Physical Society Division of Plasma Physics, 2009.

Choongki Sung, Y. S. Park, Hyunyeong Lee, J. Kang, Jwasoon Kim and Y. S. Hwang, 
“Design of Spherical Tokamak in SNU,”
 Fall annual conference of the Korean Physics Society, 2009. 

Choongki Sung, Y. S. Park, Hyunyeong Lee, J. Kang and Y. S. Hwang, 
“Design of Spherical Tokamak Operated by Partial Solenoids,”
Spring annual conference of the Korea Physics Society, 2009. 

Choongki Sung, J. M. Choi, Sun-ho Kim, K. H. Kim and Y. S. Hwang, 
“Experimental Study on Characteristics of Magnetized Plasma by Modified Nagoya-III Antenna,” 
36th winter annual conference of the Korea Vacuum Society, 2009.