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  1. 1

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

    Publicado em 1989
    Livro

    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 Por Watanabe, Iwao, Lee,K.K, Alimagno,B.V, Sato,M, Del Rosario,D.C, De Guzman,M.R

    Publicado em 1977
    Analytics

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

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