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  1. 11
    by Barker, Randolph
    Published 1975
    Book

    Production constraints and priorities for research
  2. 12
    by Barker, Randolph
    Published 1974
    Book

    Some economic issues to consider for would-be producers of rice under General Order 47
  3. 13
    by Barker, Randolph
    Published 1972
    Download the full-text here
    Book

    The probable impact of the seed-fertilizer revolution on grain production and on farm labor requirements
  4. 14
    by Barker, Randolph
    Published 1972
    Book

    Labor absorption in Philippine agriculture (abstract)
  5. 15
    by Mangahas, Mahar Kelly 1944-
    Published 1972
    Book

    Labour absorption in Philippine agriculture
  6. 16
    by Mangahas, Mahar
    Published 1972
    Book

    Labor absorption in Philippine agriculture
  7. 17
    by Barker, Randolph
    Published 1971
    Book

    Employment and technological change in Philippine agriculture
  8. 18
    by Barker, Randolph
    Published 1970
    Book

    Research relating to the economics of irrigation in rice production
  9. 19
    by Barker, Randolph
    Published 1970
    Download the full-text here
    Book

    Environmental and other factors influencing the performance of new high yielding varieties of wheat and rice in Asia
  10. 20
    by Barker, Randolph
    Published 1969
    Book

    The Philippine fertilizer industry growth and change
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