Improving Agricultural Extension : A Reference Manual
Swanson, B E. and others,
Improving Agricultural Extension : A Reference Manual Textual Documents B. E. Swanson - New Delhi Daya Publishing House 2005 - 220.
8170354080
Agricultural Extension Agriculture. & related technologies
630
Improving Agricultural Extension : A Reference Manual Textual Documents B. E. Swanson - New Delhi Daya Publishing House 2005 - 220.
8170354080
Agricultural Extension Agriculture. & related technologies
630