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Nuland, D.S, and H.F Schwartz. "A Visual Description of the Common Bean Plant Four Major Growth Periods." , 16-17.. Print

APA

Nuland, D., & Schwartz, H. (0000). A visual description of the common bean plant four major growth periods.

Chicago

Nuland, D.S., and H.F Schwartz. "A visual description of the common bean plant four major growth periods" (1989): 16-17..