Showing 1 - 2 results of 2 for search 'Egon G. Guba', query time: 0.01s Refine Results
  1. 1
    by Egon G. Guba
    Published 1987
    Sirkulasi
  2. 2
    by Egon G Guba, Yvonna S Lincoln
    Published 1981
    TEXT