Key communications of agricultural innovations
Singh, Y.P.
Key communications of agricultural innovations by Y.P. Singh - Agra Satish Book Enterprise 1973 - 204 p.
Communication
Agriculture
Innovations
301.243:63(54) / S 617 K
Key communications of agricultural innovations by Y.P. Singh - Agra Satish Book Enterprise 1973 - 204 p.
Communication
Agriculture
Innovations
301.243:63(54) / S 617 K