Rao, K. (1975). India's water health: Its assessment, uses and projections. Orient Longman.
Παραπομπή Chicago StyleRao, K.L. India's Water Health: Its Assessment, Uses and Projections. New Delhi: Orient Longman, 1975.
Παραπομπή MLARao, K.L. India's Water Health: Its Assessment, Uses and Projections. Orient Longman, 1975.
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