TRIVEDI P R. (2000). ENCYCLOPEDIA OF ENVIRONMENTAL,POLLUTION,PLANNING AND CONSERVATION SET OF SIX VOLUMES. A.P.H.PUBLISHING CORPORATION.
Citación estilo ChicagoTRIVEDI P R. ENCYCLOPEDIA OF ENVIRONMENTAL,POLLUTION,PLANNING AND CONSERVATION SET OF SIX VOLUMES. NEW DELHI: A.P.H.PUBLISHING CORPORATION, 2000.
Cita MLATRIVEDI P R. ENCYCLOPEDIA OF ENVIRONMENTAL,POLLUTION,PLANNING AND CONSERVATION SET OF SIX VOLUMES. A.P.H.PUBLISHING CORPORATION, 2000.
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