楊勤

Overview

Works:	2 works in 2 publications in 1 languages

Titles

甘南高原特色畜種種質特性與利用 by: 楊勤 (Language materials, printed)

工程建設總承包管理 by: 徐蓉; 王旭峰; 楊勤 (Language materials, printed)

Subjects