Myun Hwa Chung and Joo Han Kim*
Department of Advanced Materials Engineering, Chungbuk National University, Cheongju 28644, Korea
2019; 20(4): 431-435
Published on Aug 31, 2019
Department of Advanced Materials Engineering, Chungbuk National University, Cheongju 28644, Korea
Tel : +82-43-261-2413
Fax: +82-43-271-3222