黃漢勇 ((公共衛生學))

潛水作業人員分級制度及訓練課程之分析探討 = = Study on the revision of certification of commercial divers and the development of training materials for commercial diving trainees / by: 何俊傑 ((衛生學)); 黃漢勇 ((公共衛生學)); 行政院勞工委員會 (Language materials, printed)