| C : chemical principles of environmental pollution,• ; Abdullah, Huthaifah; Boor, Brandon E | D: Environmental law, pitman publishing, London, 1995, p,14• Blakie academic and professional, London, 1993, P,5 |
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| Hussein, Tareq; Saleh, Shatha Suleiman Ali; dos Santos, Vanessa N | Submitted by Matt Kallman on Wed, 2008-08-20 18:22 |