黃漢勇

職業水下銲接人員分級制度及訓練課程研究 = = Research on the classification system and training courses of professional underwater welding / by: 沈育霖; 黃漢勇 (Language materials, printed)

職業銲工潛水職類規範及課程研究 = = A Study of the standards and curriculum of occupational welder diving class / by: 沈育霖; 黃漢勇; 簡連貴; 陳燦錫 (Language materials, printed)