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  1. 1

    Adoption of high yielding rice farming practices by the rice farmers in the Amparai District, Republic of Sri Lanka [microform] by Wirasinghe, Suranimala 1943-

    Published 1980
    Visual Material

    Adoption of high yielding rice farming practices by the rice farmers in the Amparai District, Republic of Sri Lanka [microform]
  2. 2

    Adoption of high yielding rice farming practices by the rice farmers in the Amparai District, Republic of Sri Lanka by Wirasinghe, Suranimala 1943-

    Book

    Adoption of high yielding rice farming practices by the rice farmers in the Amparai District, Republic of Sri Lanka

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