Cambrige Scientific Abstracts. (1971). Aquatic Sciences and Fisheries Abstracts: ASFA 3:Aquatic poiiution and environmental quality. Cambridge Scienetific Abstracts.
शिकागो स्टाइल उद्धरणCambrige Scientific Abstracts. Aquatic Sciences and Fisheries Abstracts: ASFA 3:Aquatic Poiiution and Environmental Quality. Cambridge: Cambridge Scienetific Abstracts, 1971.
एमएलए उद्धरणCambrige Scientific Abstracts. Aquatic Sciences and Fisheries Abstracts: ASFA 3:Aquatic Poiiution and Environmental Quality. Cambridge Scienetific Abstracts, 1971.
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