Search Results - observational studies

  • Showing 1 - 2 results of 2
Refine Results
  1. 1

    Some preliminary observations on a credit market study. by Östlind, Anders

    Published 1963
    Book
  2. 2

    Children, schools and inequality / Doris R. Entwisle, Karl L. Alexander, and Linda Steffel Olson. by Entwisle, Doris R.

    Published 1997
    Subjects:
    Book