يعرض 1 - 2 نتائج من 2 نتيجة بحث عن 'Douglass, Gordon K. 1927-', وقت الاستعلام: 0.01s تنقيح النتائج
  1. 1

    Agricultural sustainability in a changing world order

    منشور في 1984
    كتاب

    Agricultural sustainability in a changing world order
  2. 2

    Efficiency in liberal education a study of comparative instructional costs for different ways of organizing teaching-learning in a liberal arts college حسب Bowen, Howard Rothmann 1908-

    منشور في 1971
    كتاب

    Efficiency in liberal education a study of comparative instructional costs for different ways of organizing teaching-learning in a liberal arts college

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