Singhal, R. L., & Sood, O. (1997). Water borne diseases: The continuing challenge; proceedings of the second round table conference held at New Delhi on August 1, 1997. Ranbaxy Science Foundation.
Styl cytowania ChicagoSinghal, Radhey L., i O.P Sood. Water Borne Diseases: The Continuing Challenge; Proceedings of the Second Round Table Conference Held at New Delhi on August 1, 1997. Haryana: Ranbaxy Science Foundation, 1997.
Styl cytowania MLASinghal, Radhey L., i O.P Sood. Water Borne Diseases: The Continuing Challenge; Proceedings of the Second Round Table Conference Held at New Delhi on August 1, 1997. Ranbaxy Science Foundation, 1997.
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