Agricultural economics
Kumar, N
Agricultural economics N. Kumar - Agra : Lakshmi Narain Agarwal, - 388 p. ; 22 cm.
Agriculture--Economic aspects
United States
338.10973 KUM
Agricultural economics N. Kumar - Agra : Lakshmi Narain Agarwal, - 388 p. ; 22 cm.
Agriculture--Economic aspects
United States
338.10973 KUM