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  1. 61
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  3. 63

    Cropping systems in Asia On-farm research and management.

    Published 1984
    Book
  4. 64

    Organic matter and rice.

    Published 1984
    Book
  5. 65

    Ang talamdan sa pagtanum sa humay by Vergara, Benito S.

    Published 1984
    Book
  6. 66

    Chemistry and world food supplies the new frontiers.

    Published 1983
    Book
  7. 67

    Chemistry and world food supplies the new frontiers, CHEMRAWN II.

    Published 1983
    Book
  8. 68

    Rice production manual Philippines

    Published 1983
    Book
  9. 69

    Mga suliranin sa palayan by Mueller, K. E.

    Published 1983
    Book
  10. 70

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