Impact of field education and training input on agricultural productivity

Wydane 1992

Instability in groundnut production and change in system of sharecropping in the context of new technology in Orissa

Wydane 1994

A study on effects of new technology on groundnut production in Orissa

od Jena, S., Jena, S., Mitra, A. K.
Wydane 1990

Energities of Orissa agriculture vis-a-vis Punjab agriculture

od Hittal, Jitendra Pal, Hittal, Jitendra Pal, Dhawan, K. C.
Wydane 1991