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  1. 21
    由 Alvarez, Ramiro C. 1927-
    出版 1979
    Visual Material

    Communication channels used in the masaganang maisan program and farmers' knowledge, attitude and behavior practice relating to the program [microform].
  2. 22
    由 Teoh Chye Hean 1947-
    出版 1979
    Visual Material

    Analysis of the training curriculum of the agricultural institutes and job performance of the agricultural technicians in peninsular Malaysia [microform]
  3. 23
    由 Lains, Alfian 1939-
    出版 1979
    Visual Material

    Regional concentration in expansion of rice production in Indonesia [microform].
  4. 24
    Visual Material

    Environmental factors affecting fertilizer nitrogen efficiency in flooded tropical rice [microform]
  5. 25
    Visual Material

    Common problems of agricultural arts teachers of Bayugan, Division of Agusan del Sur [microform].
  6. 26
    由 Hong, Ki-Yong 1942-
    出版 1978
    Visual Material

    An estimated economic contribution of schooling and extension in Korean agriculture Ki-Yong Hong [microform].
  7. 27
    由 David, Isidro P.
    出版 1977
    Visual Material

    Development of a statistical model for agricultural surveys in the Philippines
  8. 28
    出版 1977
    Visual Material

    Censo de las islas Filipinas [microform]
  9. 29
    出版 1977
    Visual Material

    Our national food production campaign [microform].
  10. 30
    由 Noscal, Simplicia V. 1930-
    出版 1977
    Visual Material

    A study of the young farmers and their problems in getting established in farming in the municipality of Lopez, province of Quezon [microform]
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