Showing 461 - 470 results of 602 for search '"Conservation on natural resources."', זמן שאילתה: 0.03s Refine Results
  1. 461

    Environmental studies the earth as a living planet מאת Botkin, Daniel B.

    יצא לאור 1982
    ספר

    Environmental studies the earth as a living planet
  2. 462

    Ecological aspects of development in the humid tropics

    יצא לאור 1982
    ספר

    Ecological aspects of development in the humid tropics
  3. 463

    Resources and conservation.

    יצא לאור 1981
    Continuing Resource

    Resources and conservation.
  4. 464

    Benefit-cost analysis of natural systems and environmental quality aspects of development a guie to applications in developing countries

    יצא לאור 1981
    ספר

    Benefit-cost analysis of natural systems and environmental quality aspects of development a guie to applications in developing countries
  5. 465

    Compilation papers conducted at the Philippine Plaza Hotel, 9-12 Dec. 1981.

    יצא לאור 1981
    ספר

    Compilation papers conducted at the Philippine Plaza Hotel, 9-12 Dec. 1981.
  6. 466

    Renewable natural resources and the environment pressing problems in the developing world מאת Ruddle, Kenneth

    יצא לאור 1981
    ספר

    Renewable natural resources and the environment pressing problems in the developing world
  7. 467

    First national conservation conference on natural resources workshop proceedings conducted at the Philippine Plaza Hotel, 9-12 December 1981

    יצא לאור 1981
    ספר

    First national conservation conference on natural resources workshop proceedings conducted at the Philippine Plaza Hotel, 9-12 December 1981
  8. 468

    Beyond the age of waste a report to the Club of Rome מאת Gabor, Dennis

    יצא לאור 1981
    ספר

    Beyond the age of waste a report to the Club of Rome
  9. 469

    Canadian resource policies problems and prospects

    יצא לאור 1981
    ספר

    Canadian resource policies problems and prospects
  10. 470

    First national conservation conference on natural resources : conducted at the Philippine Plaza Hotel, 9-12 December 1981

    יצא לאור 1981
    ספר

    First national conservation conference on natural resources : conducted at the Philippine Plaza Hotel, 9-12 December 1981

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