Buckingham, P. L., Evans, J. C., & LaGrega, M. D. (2001). Hazardous waste management.
Dyfyniad Arddull ChicagoBuckingham, Phillip L., Jeffrey C. Evans, and Michael D. LaGrega. Hazardous Waste Management. Newyork, McgrawHill, 2001.
Dyfyniad MLABuckingham, Phillip L., et al. Hazardous Waste Management. 2001.
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