鄭凱文

餐飲創業成本與管理 = Entrepreneurship cost and management in food & beverage industry by: 鄭凱文 (Language materials, printed) , [著]

數位溫度感測系統 by: 吳錫修; 張哲明; 張榮騰; 簡甫嘉; 鄭凱文; 魏志恆 (Language materials, printed)

迷你自走車 by: 張智傑; 朱名偉; 柴昌維; 謝毓修; 鄭凱文 (Language materials, printed)