21 | 7th GCEAS Global Conference on Engineering and Applied Science (Taipei Taiwan ) |
21 | 4th ICSSAM International Conference on Social Science and Management (Taipei Taiwan ) |
21 | 5th ISESS International Symposium on Education, Economics, Psychology and Social Sciences (Taipei Taiwan ) |
21 | 10th ICEAI International Congress on Engineering and Information (Taipei Taiwan ) |
