余德億

Overview

Works:	0 works in 2 publications in 1 languages

Titles

草坪病蟲草害 by: 翁啟勇; 余德億 (Electronic resources)

草坪病蟲害診斷與防治原色圖譜 by: 余德億; 翁啟勇; 李昆; 陳體強 (Electronic resources)