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  1. 1

    Production costs and returns of turnip in selected provinces, Philippines, 1984 per Abaya, Aurelia P.

    Publicat 1986
    Llibre

    Production costs and returns of turnip in selected provinces, Philippines, 1984
  2. 2

    Cost and returns of sweet potato in selected provinces Philippines, 1983 per Abaya, Aurelia P.

    Publicat 1985
    Llibre

    Cost and returns of sweet potato in selected provinces Philippines, 1983

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