Dangos 1 - 3 canlyniadau o 3 ar gyfer chwilio 'Villegas, Leopoldo M.', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    Field demostration its effects on level of knowledge, understanding and ittitudes of farmers about choice of a rice variety and use of fertilizers [microform] gan Villegas, Leopoldo M.

    Cyhoeddwyd 1977
    Visual Material

    Field demostration its effects on level of knowledge, understanding and ittitudes of farmers about choice of a rice variety and use of fertilizers [microform]
  2. 2

    Field demonstration its effects on level of knowledge, understanding and attitudes of farmers about choice of a rice variety and use of fertilizers gan Villegas, Leopoldo M.

    Cyhoeddwyd 1977
    Visual Material

    Field demonstration its effects on level of knowledge, understanding and attitudes of farmers about choice of a rice variety and use of fertilizers
  3. 3

    Field demonstration its effects on level of knowledge, understanding and attitudes of farmers about choice of a rice variety and use of fertilizers gan Villegas, Leopoldo M. 1936-

    Cyhoeddwyd 1966
    Traethawd Ymchwil

    Field demonstration its effects on level of knowledge, understanding and attitudes of farmers about choice of a rice variety and use of fertilizers

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