Showing 1 - 3 results of 3 for search 'Helbig, Donald W.', query time: 0.01s Refine Results
  1. 1

    A checklist for evaluative overviews of family planning program activities by Reynolds, Jack 1935-, Helbig, Donald W.

    Published 1973
    Book

    A checklist for evaluative overviews of family planning program activities
  2. 2

    The fertiility pattern method estimation of fertility change by retrospective quasi-cohort analysis of group-specific fertility patterns by Wishik, Samuel M., Helbig, Donald W.

    Published 1972
    Book

    The fertiility pattern method estimation of fertility change by retrospective quasi-cohort analysis of group-specific fertility patterns
  3. 3

    The fertility pattern method estimation of fertility change by retrospective quasi-cohort analysis of group specific fertility patterns by Wishik, Samuel M.

    Published 1972
    Book

    The fertility pattern method estimation of fertility change by retrospective quasi-cohort analysis of group specific fertility patterns

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