Showing 1 - 3 results of 3 for search 'Ballesfin, Elpha R.', query time: 0.01s Refine Results
  1. 1

    An approach to the teaching of electromagnetic forces by Ballesfin, Elpha R.

    Published 1973
    Thesis

    An approach to the teaching of electromagnetic forces
  2. 2

    Refined and industrial salt by Ballesfin, Elpha R.

    Published 1964
    Thesis

    Refined and industrial salt
  3. 3

    Environmental aspects of water supply management a case of Legaspi City and its water supply by Ballesfin, Elpha R.

    Book

    Environmental aspects of water supply management a case of Legaspi City and its water supply

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