Showing 1 - 2 results of 2 for search 'Weijenberg Jan, 1937', सवाल का समय: 0.01सेकंड परिणाम को परिष्कृत करें
  1. 1

    Strengthening national agricultural research systems in Eastern and Central Africa a framework for action

    प्रकाशित 1995
    पुस्तक

    Strengthening national agricultural research systems in Eastern and Central Africa a framework for action
  2. 2

    Revitalizing agricultural research in the Sahel a proposed framework for action

    प्रकाशित 1993
    पुस्तक

    Revitalizing agricultural research in the Sahel a proposed framework for action

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