1. 1
   Environmental education : report of the National Seminar on Higher Environmental Education held at the Indian National Science Academy, New Delhi, during July 30-31, 1979

   Pubblicazione 1981

   New Delhi : Indian Environmental Society, 1981.

   xiv, 140 p., [1] leaf of plates : ill. ; 22 cm.

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2. 2
   Ecology and development : proceedings of the Seminar on Ecology and Development held at the Indian National Science Academy, New Delhi, during September 23-26, 1978

   Pubblicazione 1979

   Delhi : Indian Environmental Society, 1979.

   xv, 263 p. : ill. ; 23 cm.

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