يعرض 1 - 3 نتائج من 3 نتيجة بحث عن 'Villegas, Leopoldo M.', وقت الاستعلام: 0.01s تنقيح النتائج
  1. 1

    Field demostration its effects on level of knowledge, understanding and ittitudes of farmers about choice of a rice variety and use of fertilizers [microform] حسب Villegas, Leopoldo M.

    منشور في 1977
    Visual Material

    Field demostration its effects on level of knowledge, understanding and ittitudes of farmers about choice of a rice variety and use of fertilizers [microform]
  2. 2

    Field demonstration its effects on level of knowledge, understanding and attitudes of farmers about choice of a rice variety and use of fertilizers حسب Villegas, Leopoldo M.

    منشور في 1977
    Visual Material

    Field demonstration its effects on level of knowledge, understanding and attitudes of farmers about choice of a rice variety and use of fertilizers
  3. 3

    Field demonstration its effects on level of knowledge, understanding and attitudes of farmers about choice of a rice variety and use of fertilizers حسب Villegas, Leopoldo M. 1936-

    منشور في 1966
    أطروحة

    Field demonstration its effects on level of knowledge, understanding and attitudes of farmers about choice of a rice variety and use of fertilizers

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