Weil, Joyce. Research design in aging and social gerontology : quantitative, qualitative, and mixed methods / Joyce Weil. - New York, N.Y. : Routledge, 2017 - 302 p. : ill - Textbooks in Aging Series . ISBN: 9781138690264 / 2,120.00 Subjects--Topical Terms: Research--Methodology.Gerontology--Methodology. LC Class. No.: HQ1061 / W422 R4 2017