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6582-1971, . (1972). BIO ASSAY METHODS FOR EVALUATION ACUTE TOXICITY OF INDUSTRIAL EFFLUENTS AND WASTE WATERS. DELHI: ISI.
6582-1971, . 1972. BIO ASSAY METHODS FOR EVALUATION ACUTE TOXICITY OF INDUSTRIAL EFFLUENTS AND WASTE WATERS. DELHI: ISI.
6582-1971, . BIO ASSAY METHODS FOR EVALUATION ACUTE TOXICITY OF INDUSTRIAL EFFLUENTS AND WASTE WATERS. DELHI: ISI. 1972.