Manual of soil and water conservation practices
Singh, Gurmel -et.al.
Manual of soil and water conservation practices - N.Delhi Oxford 1996 - 385p
Roman
81-204-0552-8
Soil conservation, Methods
Water conservation, Methods
613.45
Manual of soil and water conservation practices - N.Delhi Oxford 1996 - 385p
Roman
81-204-0552-8
Soil conservation, Methods
Water conservation, Methods
613.45