Demonstration of sawtooth period control with EC waves in KSTAR plasma J. H. Jeong, Y. S. Bae, M. Joung, D. Kim, T. P. Goodman, O. Sauter, K. Sakamoto, K. Kajiwara, Y. Oda, J. G. Kwak et al. (5 more) EPJ Web of Conferences, 87 (2015) 02016 Published online: 12 March 2015 DOI: 10.1051/epjconf/20158702016