SWARUP R. (1992). ENVIRONMENTAL HEALTH, EDUCATION & PUBLIC UNDERSTANDING. MITTAL PUBLICATIONS.
Cita Chicago Style (17a ed.)SWARUP R. ENVIRONMENTAL HEALTH, EDUCATION & PUBLIC UNDERSTANDING. NEW DELHI: MITTAL PUBLICATIONS, 1992.
Cita MLA (9a ed.)SWARUP R. ENVIRONMENTAL HEALTH, EDUCATION & PUBLIC UNDERSTANDING. MITTAL PUBLICATIONS, 1992.
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