Niebel, Benjamin W.

Motion and time study / by: Niebel, Benjamin W. (Language materials, printed)

Engineering maintenance management / by: Niebel, Benjamin W. (Language materials, printed)

工作研究 / by: 尼貝爾 ((Niebel, Benjamin W.)); 弗賴瓦爾德 ((Freivalds, Andris)); 福雷瓦 ((Freivalds, Andris)); 倪貝 ((Niebel, Benjamin W.)); 王明揚; 林迪意; Freivalds, Andris; Niebel, Benjamin W. (Language materials, printed)

工作研究 / by: 尼貝爾 ((Niebel, Benjamin W.)); 弗賴瓦爾德 ((Freivalds, Andris)); 王明揚; 林迪意; Niebel, Benjamin W.; Freivalds, Andris (Language materials, printed)