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  1. 1

    An analysis of the inservice training needs identified by farm management technicians in Region 3, Agricultural Productivity Commission, Republic of the Philippines [microform] Bằng Oliva, Virgilio G. 1939-

    Được phát hành 1974
    Visual Material

    An analysis of the inservice training needs identified by farm management technicians in Region 3, Agricultural Productivity Commission, Republic of the Philippines [microform]
  2. 2

    The influence of the Camarines norte National Agricultural School (CNNAS) on the agricultural practices, particularly rice culture, in three rice-growing barrios of Camarines norte... Bằng Oliva, Virgilio G. 1939-

    Được phát hành 1974
    Visual Material

    The influence of the Camarines norte National Agricultural School (CNNAS) on the agricultural practices, particularly rice culture, in three rice-growing barrios of Camarines norte [microform]
  3. 3

    An analysis of the inservice training needs identified by farm management technicians in Region 3, Agricultural Productivity Commission, Republic of the Philippines Bằng Oliva, Virgilio G. 1939-

    Được phát hành 1969
    Luận văn

    An analysis of the inservice training needs identified by farm management technicians in Region 3, Agricultural Productivity Commission, Republic of the Philippines
  4. 4

    Perceptions and attitudes of farmer members toward Samahang Nayon in North Cotabato, Philippines Bằng Oliva, Virgilio G. 1939-

    Sách

    Perceptions and attitudes of farmer members toward Samahang Nayon in North Cotabato, Philippines

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