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  1. 1

    Manual on heat detection, artificial insemination and pregnancy diagnosis for water buffalo. 由 De Guzman, M. R.

    出版 1989
    圖書

    Manual on heat detection, artificial insemination and pregnancy diagnosis for water buffalo.
  2. 2

    Biological nitrogen fixation in paddy field studied by in SITU acetylene-reduction assays 由 Watanabe, Iwao, Lee,K.K, Alimagno,B.V, Sato,M, Del Rosario,D.C, De Guzman,M.R

    出版 1977
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    Biological nitrogen fixation in paddy field studied by in SITU acetylene-reduction assays

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