Hartman, B., & Gerigscott, E. (2015). The lean farm: How to minimize waste, increase efficiency, and maximize value and profits with less work. Chelsea Green Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHartman, Ben, और Emma Gerigscott. The Lean Farm: How to Minimize Waste, Increase Efficiency, and Maximize Value and Profits with Less Work. White River Junction, Vermont: Chelsea Green Publishing, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHartman, Ben, और Emma Gerigscott. The Lean Farm: How to Minimize Waste, Increase Efficiency, and Maximize Value and Profits with Less Work. Chelsea Green Publishing, 2015.
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