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  1. 1

    Towards sustainable growth the Sri Lanka experience the evolution of environmental policies and strategies in Sri Lanka, 1978-1993 מאת Wijayadasa, K. H. J.

    יצא לאור 1994
    ספר

    Towards sustainable growth the Sri Lanka experience the evolution of environmental policies and strategies in Sri Lanka, 1978-1993
  2. 2

    Environmental capability status and needs assessment survey מאת Bedano, Jose Ali

    ספר

    Environmental capability status and needs assessment survey

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