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Lua i Stíl Chicago (17ú heag.)Pathak, R.P. The Study of an Effect of Improved Cookstove on the Incidence of Childhood Pneumonia. 1997.
Lua MLA (8ú heag.)Pathak, R.P. The Study of an Effect of Improved Cookstove on the Incidence of Childhood Pneumonia. 1997.
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