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  1. 1

    Information needs and information practices of agricultural scientists in Sri Lanka 由 Mudannayake, Irangani

    出版 1987
    Thesis

    Information needs and information practices of agricultural scientists in Sri Lanka
  2. 2

    Information needs and information practices of agricultural scientists in Sri Lanka 由 Mudannayake, Irangani 1949-

    图书

    Information needs and information practices of agricultural scientists in Sri Lanka

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