Biggs, S. D. (1983). Generation and diffusion of agricultural technology: A review of theories and experiences. International Labour Office.
Cita Chicago (17th ed.)Biggs, Stephen D. Generation and Diffusion of Agricultural Technology: A Review of Theories and Experiences. Geneva: International Labour Office, 1983.
Cita MLA (9th ed.)Biggs, Stephen D. Generation and Diffusion of Agricultural Technology: A Review of Theories and Experiences. International Labour Office, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.