31
The Korean Chemical Society
| The Korean Chemical Society |
1994
32
Korean Institute of Electrical Engineers Society
| Korean Institute of Electrical Engineers Society |
1997
33
American Institute of Steel Construction
| American Institute of Steel Construction |
1997
35
37
Institute of Electrical and Electronics Engineers
| Institute of Electrical and Electronics Engineers |
1997
38
Institute of Electrical and Electronics Engineers
| Institute of Electrical and Electronics Engineers |
1997