يعرض 381 - 390 نتائج من 602 نتيجة بحث عن '"Conservation of natural resources"', وقت الاستعلام: 0.03s تنقيح النتائج
  1. 381

    A review of Philippine natural resource and environmeental management, 1986-1988 حسب De Los Angeles, Marian Segura

    منشور في 1990
    كتاب

    A review of Philippine natural resource and environmeental management, 1986-1988
  2. 382

    American environmentalism readings in conservation history

    منشور في 1990
    كتاب

    American environmentalism readings in conservation history
  3. 383

    Economics of protected areas a new look at benefits and costs حسب Dixon, John A. 1946-

    منشور في 1990
    كتاب

    Economics of protected areas a new look at benefits and costs
  4. 384

    The WWF environment handbook حسب Carwardine, Mark

    منشور في 1990
    كتاب

    The WWF environment handbook
  5. 385

    Economics of protected areas a new look at benefits and costs حسب Dixon, John A. 1946-

    منشور في 1990
    كتاب

    Economics of protected areas a new look at benefits and costs
  6. 386

    Environmental issues in the decade 1990-2000 their implications for education (Proceedings of the Symposium jointly sponsored by the U.P. College of Education).

    منشور في 1990
    كتاب

    Environmental issues in the decade 1990-2000 their implications for education (Proceedings of the Symposium jointly sponsored by the U.P. College of Education).
  7. 387

    State of the world 1990 a Worldwatch Institute report on progress toward a sustainable society

    منشور في 1990
    كتاب

    State of the world 1990 a Worldwatch Institute report on progress toward a sustainable society
  8. 388

    Saving America's countryside a guide to rural conservation حسب Stokes, Samuel N. 1940-

    منشور في 1989
    كتاب

    Saving America's countryside a guide to rural conservation
  9. 389

    In fairness to future generations international law, common patrimony, and intergenerational equity حسب Weiss, Edith Brown 1942-

    منشور في 1989
    كتاب

    In fairness to future generations international law, common patrimony, and intergenerational equity
  10. 390

    Sustainable natural resources assessment, Philippines a review of the present status with recommendations for future directions

    منشور في 1989
    كتاب

    Sustainable natural resources assessment, Philippines a review of the present status with recommendations for future directions

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