Agricultural demonstration and extension communication
Krishan, Ram
Agricultural demonstration and extension communication - Bombay: Asia Publishing House, 1965 - xiv, 261p.
Agriculture
Farmers' days Types of demonstrations
63:659.2 / K5
Agricultural demonstration and extension communication - Bombay: Asia Publishing House, 1965 - xiv, 261p.
Agriculture
Farmers' days Types of demonstrations
63:659.2 / K5