A.K.Singh. (2003). Agricultural Extension: Impact and Assessment. Agrobios (India).
Chicago Edition CitationA.K.Singh. Agricultural Extension: Impact and Assessment. Agrobios (India), 2003.
Cita MLAA.K.Singh. Agricultural Extension: Impact and Assessment. Agrobios (India), 2003.
Atenció: Aquestes cites poden no estar 100% correctes.