姜萬勤

Overview

Works:	2 works in 2 publications in 1 languages

Titles

水土保持學 = Soil and water conservation by: 舒仲英; 張新華; 姜萬勤 (Language materials, printed) , [編著]

水土保持學 by: 舒仲英; 張新華; 姜萬勤 (Language materials, printed) , [編著]

Subjects