Sengupta, S., Ray, A., & Sen, A. (1979). Economics of cocoon rearing: A study in the districts of Malda and Birbhum (West Bengal). Agro-Economic Research Centre, Visva-Bharati.
Dyfyniad Arddull ChicagoSengupta, Sunil, Ajeya Ray, and Anandamoy Sen. Economics of Cocoon Rearing: A Study in the Districts of Malda and Birbhum (West Bengal). Santiniketan: Agro-Economic Research Centre, Visva-Bharati, 1979.
Dyfyniad MLASengupta, Sunil, et al. Economics of Cocoon Rearing: A Study in the Districts of Malda and Birbhum (West Bengal). Agro-Economic Research Centre, Visva-Bharati, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.