鄭, ？

用蠻力, 不如用腦力 = Use your head more : 看不見「智力」比「武力」更有用 by: 鄭, ？ (Language materials, printed) , [編著]

踏穩腳步, 人生才有出路 = Make your life successful step by step : 按部就班, 生命才不會有「省斑」 by: 鄭, ？ (Language materials, printed) , [編著]

焦點解決治療應用手冊 by: 歐康尼爾 ((O'Connell, Bill)); Palmer, Stephen; O'Connell, Bill; 鄭, ？; 巴默爾 ((Palmer, Stephen)) (Language materials, printed) , [譯]