Sita Ram Singh. (1986). Technological parameters in agricultural production fucntion. Ashish Pub.house.
Chicago Edition CitationSita Ram Singh. Technological Parameters in Agricultural Production Fucntion. Delhi: Ashish Pub.house, 1986.
Cita MLASita Ram Singh. Technological Parameters in Agricultural Production Fucntion. Ashish Pub.house, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.