Thien, S. J., & Graveel, J. G. (1997). Laboratory manual for soil science: Agricultural and environmental principles. Boston: McGraw-Hill.
Trích dẫn kiểu ChicagoThien, Steven J., và John G. Graveel. Laboratory Manual for Soil Science: Agricultural and Environmental Principles. Boston: McGraw-Hill, 1997.
MLA CitationThien, Steven J., và John G. Graveel. Laboratory Manual for Soil Science: Agricultural and Environmental Principles. Boston: McGraw-Hill, 1997.
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