Snodgrass, M. . M., & Wallace, L. T. (1977). Agriculture , economics and resources management. Prentice hall.
Chicago Edition CitationSnodgrass, Milton M., i L. T. Wallace. Agriculture , Economics and Resources Management. New Delhi: Prentice hall, 1977.
Cita MLASnodgrass, Milton M., i L. T. Wallace. Agriculture , Economics and Resources Management. Prentice hall, 1977.
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