Work place: Department of Technology Education, Korea National University of Education, San 7, Darak-Ri, Chungwon-Gun, Chungbuk, 363-791, KOREA

E-mail: lyj@knue.ac.kr

Website:

Research Interests:

Biography

Prof., Department of Technology Education, Korea National University of Education, San 7, Darak-Ri, Chungwon-Gun, Chungbuk, 363-791, KOREA